8677 + Interview Questions in Maths in Class 14 Page 138 InterviewSolution

6851.	A tap can fill a cistern in 9 hours. After one-third of the tank is filled, three more similar taps are opened. What is the total time (in hour) taken to fill the tank completely?
Answer» 1.5 2/3 4 NONE of these Answer :C

Discussion

6852.	A nine digit number abcdefghtis such that a is divisible by 1, ab is divisible by 3 and abcd is divisible by 4 and so on where none of a, b, c, d, … is same andevery digit is a non-zero digitsuch a number is :
Answer» 123456789 381654729 126453789 826435791 Answer :B

Discussion

6853.	Shweta is very expect in bargaining . Once she went to a nearby shop. When Shweta asked the Price of Shampoo Sachet the shopkeeper told her the price by increasing 15% of the original cost. But Shweta insisted to decrease the price by 15% so the shopkeepersold it by decreasing the price by 15% What is the loss or profit of shopkeeper and by how much per cent?
Answer» no LOSS profit of `15%` loss of 2.25% NONE of these Answer :C

Discussion

6854.	Rs 2186 is divided into M, N and P such that if Rs 26, Rs 28 and Rs 32 are subracted from the share of M, N and P then ratio of their share becomes 9: 13 : 8. Find the share of M.
Answer» RS 575 Rs 640 Rs 656 Rs 672 ANSWER :C

Discussion

6855.	A sum of 7930 is divided into 3 parts and given at loan at 5% simple interestto A, B and C for 2, 3 and 4 years respectively. If the amounts of all three are equal after their respective periods of loan, then the A received a loan of(रु 7930 की राशि 3 भागो में विभाजित की जाती है और A , B तथा C को क्रमश: 2 ,3 एव4 वर्षो के लिए 5 % के साधरण बियाज पर ऋण के रूप में दी जाती है\| यदि समय पूरा होने पर तीनोको मिश्रधन बराबर मिले तो A ने कितने रुपए का ऋण लिया था )
Answer» ANSWER :RS. 552, Rs. 528, Rs. 506

Discussion

6856.	If a six digit number is formed by repeating a two digit number three times (e.g. 141414), then that number will be divisible by :
Answer» 1001 101 10001 10101 Answer :d

Discussion

6857.	P and Q are two points on circle with centre O. The point R is on the minor arcPQ. The tangents from P and Q meet at S. If anglePSQ=20^(@) them anglePRQ is-
Answer» `200^@` ` 160^@` `100^@` `80^@` ANSWER :C

Discussion

6858.	In the given figure, l,m and n are three parallel lines and t1 and t2 are two transversal lines which cut l,m and n at A, B, C and P, Q, R, respectively. Which of the following options is correct?
Answer» `(BC)/(PQ) = (AB)/(QR)` `(AP)/(BQ) = (BQ)/(CR)` `(AB)/(BC) = (PQ)/(QR)` `(BQ)/(AP)=(PQ)/(AB)` ANSWER :C

Discussion

6859.	x varies directly as (y^2+z^2). At y = 1 and z = 2, the value of x is 15. Find the value of z, when x = 39 and y = 2 :
Answer» 2 3 4 6 Answer :B

Discussion

6860.	The odd positive integers are arranged in a traingle as follows : Find the sum of the number in the nth row of this arrangement :
Answer» a. `N^2 + n` B. `2n^2 -2 + n` c. `n^3` d. none of these Answer :C

Discussion

6861.	There are 5 different caps c_1,c_2,c_3,c_4 and c_5 and 5 different boxes B_1,B_2,B_3,B_4and B_5. The capacity of each box is sufficient to accommodate all the 5 caps. In how many arrangements does B_1 have cap C_1?
Answer» 5! `5^4` `^5P_4` NONE of these Answer :B

Discussion

6862.	A and B together can do a piece of work in 12 days. While B and C together can do a piece of work in 8 days. C and A together can do a piece of work in 6 days. In how many days will this work be completed by B alone?
Answer» ANSWER :48 DAYS

Discussion

6863.	If log_(10)2 = 0.3010, then log_(2) 10 is:
Answer» 3.01 1.505 3.3222 none of these ANSWER :C

Discussion

6864.	When the three numbers 104, 221 and 377 are divided by a number we get the same remainder in each case. Such a largest possible number is :
Answer» 56 13 39 it does not exist Answer :C

Discussion

6865.	If alpha + beta = 90^@ and alpha: beta = 2: 1, then the value of sin alpha : sin beta is
Answer» `SQRT3 : 1` `2 : 1` `1 : 1` `sqrt2:1` ANSWER :A

Discussion

6866.	A lends a sum of money for 10 years at 5% SI. B lends double the amount for 5 years at the same rate of interest . Which of the following statements is true in his regard ?
Answer» A will GET twice the amount of interest that B WOULD get B will get twice the amount of interest that A would get A will get the same amount of interest that B would get B will get FOUR times the amount of interest that A would get Answer :C

Discussion

6867.	Which of the following are the factors of 2^(387) + 3^(344) ? (i) 216 (ii) 643 (iii) 735 (iv) 7073
Answer» (a) 92 CM (b) 95 cm (c) 102 cm (d) 113 cm Answer :D

Discussion

6868.	If a o+ b = a^3 + b^2+ 1 a © b = (a - b)^2+ 1 a b = a^3 - b^2 + 1 The value of P = (((1 o+ 2) 2) © 1) is :
Answer» 40001 10804 40401 None of these ANSWER :D

Discussion

6869.	A computer typist types a page with 20 lines in 10 minutes but he lives 8% margin on the left side of the page. Now he has to type 23 pages with 40 lines on each page which he leves 25% more margin than before. How much time is now required to type these 23 pages?
Answer» `7(1)/(2)` hrs `7(2)/(3)` hrs `23(1)/(2)` hrs 3.916 hrs Answer :A

Discussion

6870.	Abhinav and Brijesh started walking simultaneously 23km//h and 4km//h from the same point 'C' on two different paths which diverge from each other at an angle of 120^(@). They walked for 6 hours and they stopped at A and B respectively. What is the least possible distance between Abhinav and Brijesh when they are at A and B respectively.
Answer» `36sqrt(37)` `6sqrt(37)` `12SQRT(37)` NONE of these Answer :B

Discussion

6871.	Value of (625)^{0.16} \times(625)^{0.09} is
Answer» 16 8 4 5 Answer :A

Discussion

6872.	Answer the questions based on the following information. There are four numbers a,b,c,d such that a+b+c+d=12Find the number of integral solutions of the equation, such that agt-4, bgt-3,cgt-2,dgt-1.
Answer» 1330 1331 1690 340 Answer :A

Discussion

6873.	A sum invested at the rate of interest 5% S.I grows to Rs. 5400 in 4 years. The same amount in 3 years at the rate of 10% per annum S.I will grow to
Answer» RS. 5700 Rs. 5750 Rs. 5800 Rs. 5850 Answer :A

Discussion

6874.	The value of 5^{1 / 4} \times(125)^{0.25} is:
Answer» `\SQRT{5}` 5`\sqrt{5}` 5 25 Answer :A

Discussion

6875.	Answer the questions based on the following information. There are four numbers a,b,c,d such that a+b+c+d=12Find the number of non-negative integral solutions of the equation.
Answer» 25 244 455 425 Answer :D

Discussion

6876.	Answer the questions based on the following information. There are four numbers a,b,c,d such that a+b+c+d=12Find the number of positive integral solutions of the equation.
Answer» 125 165 143 156 Answer :B

Discussion

6877.	Find the average of the square of first consecutive even numbers starting from 2 to 12, where the last even number is 12.
Answer» 12.20 60.66 16.45 17.80 Answer :B

Discussion

6878.	Answer the questions based on the following information. There are four numbers a,b,c,d such that a+b+c+d=-12.Find the number of integral solutions of the equation, such that (a,b,c,d)lt0
Answer» 195 -165 92 165 Answer :B

Discussion

6879.	If 4^{2 x}=\frac{1}{32} then xis
Answer» 5/4 4/5 3/5 None of these Answer :C

Discussion

6880.	The average weight of 8 women increases by 2.5 kg when a new woman replaces one of them weighing 65 kg. Find the weight of the new woman.
Answer» 80 67 85 20 Answer :C

Discussion

6881.	There are three sections A, B and C in class X of a school. The average weight of all the students in classes A and B together is 26 kg. The average weight of all students in classes B and C together is 24 kg. What is the average weight of the students in all the three classes put together. If the average weight of the students in the classes A, B and C are 24 kg, 27 kg and 21 kg respectively.
Answer» ANSWER :24 KG

Discussion

6882.	Find the altitude and base of an isosceles triangle whose vertical angle is 65^(@) and whose equal sides are 415 cm :
Answer» 350cm, 646cm 350cm, 446cm 630cm, 445cm none of these Answer :B

Discussion

6883.	An article is listed at Rs. 65. A customer bought this article for Rs 56.16 and got two successive discounts of which one is 10%. Find the other discount of this discount scheme that was allowed by the shopkeeper
Answer» ANSWER :`46(46)/(49)%`

Discussion

6884.	If (a+b): (b+c): (c+a)= 5: 6: 9 and a+b+c=10. What is the value of c :
Answer» 2 3 5 7 Answer :C

Discussion

6885.	A person has to covera distance of 48 km . If theincreases his speed by4 km/hhe reaches1 hour early . Find the hisinitial speed .
Answer» ANSWER :12 km/h

Discussion

6886.	Rs. 2500 was borrowed for 3 years. What will be the compound interest if the rate of interest for first year is 3% per annum, second year is 4% per annum and for third year is 5% per annum respectively?
Answer» ANSWER :RS 311.90

Discussion

6887.	If x and y are positive real number, then :
Answer» `xgtyrArr-xgt-y` `x gt y RARR-x LT -y` `x gt y rArr 1/x gt 1/y` `xgtyrArr(-1)/xlt(-1)/y` Answer :B

Discussion

6888.	If vec(A) makes an angle alpha, beta and gamma from x,y and z axis respectively then sin^(2)alpha+sin^(2) beta+sin^(2) gamma=
Answer» 0 1 2 3 Answer :B

Discussion

6889.	A can do a piece of work in 24 days, while B can do it in 30 days. With the help ofC they can finish the whole work in 12 days. How much time is required for C to complete the work, alone?
Answer» 100 days 120 days 125 days 72 days Answer :B

Discussion

6890.	A person observed that he required 30 s time to cross a circular ground a long its diameter than to cover it once along the boundary. If his speed was 30m//min, then the radius of the circular ground is
Answer» 10.5 cm 3.5 m 5.5 m 7.5 m Answer :B

Discussion

6891.	The simplified value of sqrt(900) + sqrt(0.09) - sqrt(0.000009) is
Answer» 30.297 `30.197` `30.097` `30.397` ANSWER :A

Discussion

6892.	In the following algorithm x, y and z are variables which change their values in each step such that the value of the expression on the right hand side is assigned to the variable on the left hand side of the equation. Each cycle consists of 5 steps, S_(1), S_(2), S_(3).... are the sum of each corresponding cycle 1, 2, 3....... START Step 0. x=1, y=-2, z=3 Step 1. x=y-z Step 2. y=z-x Step 3. z=x-y Step 4. S=x+y+z Step 5. Go to step 1. Which of the following is correct?
Answer» `S_(11)` is an odd number `S_(13)` is a negative number `S_(15)` is an EVEN number both (B) and (C) Answer :D

Discussion

6893.	4572xx195-765410=?+65126
Answer» 50432 55242 60950 None of these Solution :`891540-765410-65126=610054`

Discussion

6894.	A man walks 6 km at a speed of 1 1/2kmph, runs 8 km at a speed of 2 kmph and goes by bus another 40 km. Speed of the bus is 8 kmph. Find the average speed of the man in kmph.
Answer» A) `4 3/14` B) `4 2/13` C) `2 4/13` D) `3 4/14` ANSWER :A

Discussion

6895.	What is the CI after 3 yr ? I. Rate is 5 % II After two years , Difference between Cl and SI is Rs 20.
Answer» If the statement I alone is SUFFICIENT to answer the question but the statement II alone is not sufficient If the statement II alone is sufficient to answer the question but the statement I alone is not sufficient If both statements I and II TOGETHER are needed to answer the question if either the statement I alone or STATMENT II alone is sufficient to answer the question Answer :C

Discussion

6896.	Answer these questions based on the following informations There are ten points on a plane, such that no three of them are collinear. Find the maximum number of diagonals in a decagon formed by joining the ten points.
Answer» 30 45 35 20 Answer :C

Discussion

6897.	Answer these questions based on the following informations There are ten points on a plane, such that no three of them are collinear. Find the maximum number of straight lines formed by joining the ten points
Answer» 90 30 45 20 Answer :C

Discussion

6898.	Simplify and find '?'48 \sqrt{?}+32 \sqrt{?}=\mathbf{3 2 0}
Answer» A) 4 B) 8 C) 16 D) 32 Answer :C

Discussion

6899.	In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 60 questions and secures 130 marks, the no of questions he attempts correctly is :
Answer» A) 35 B) 38 C) 40 D) 42 Answer :B

Discussion

6900.	If DeltaABC is right - angle at B, AB = 6 units angle = 30^@ then AC is equal to
Answer» 12 UNITS 15 units 8 units 10 units Answer :A

Discussion

Explore topic-wise InterviewSolutions in .

A tap can fill a cistern in 9 hours. After one-third of the tank is filled, three more similar taps are opened. What is the total time (in hour) taken to fill the tank completely?

A nine digit number abcdefghtis such that a is divisible by 1, ab is divisible by 3 and abcd is divisible by 4 and so on where none of a, b, c, d, … is same andevery digit is a non-zero digitsuch a number is :

Rs 2186 is divided into M, N and P such that if Rs 26, Rs 28 and Rs 32 are subracted from the share of M, N and P then ratio of their share becomes 9: 13 : 8. Find the share of M.

If a six digit number is formed by repeating a two digit number three times (e.g. 141414), then that number will be divisible by :

P and Q are two points on circle with centre O. The point R is on the minor arcPQ. The tangents from P and Q meet at S. If anglePSQ=20^(@) them anglePRQ is-

In the given figure, l,m and n are three parallel lines and t1 and t2 are two transversal lines which cut l,m and n at A, B, C and P, Q, R, respectively. Which of the following options is correct?

x varies directly as (y^2+z^2). At y = 1 and z = 2, the value of x is 15. Find the value of z, when x = 39 and y = 2 :

The odd positive integers are arranged in a traingle as follows : Find the sum of the number in the nth row of this arrangement :

There are 5 different caps c_1,c_2,c_3,c_4 and c_5 and 5 different boxes B_1,B_2,B_3,B_4and B_5. The capacity of each box is sufficient to accommodate all the 5 caps. In how many arrangements does B_1 have cap C_1?

A and B together can do a piece of work in 12 days. While B and C together can do a piece of work in 8 days. C and A together can do a piece of work in 6 days. In how many days will this work be completed by B alone?

If log_(10)2 = 0.3010, then log_(2) 10 is:

When the three numbers 104, 221 and 377 are divided by a number we get the same remainder in each case. Such a largest possible number is :

If alpha + beta = 90^@ and alpha: beta = 2: 1, then the value of sin alpha : sin beta is

A lends a sum of money for 10 years at 5% SI. B lends double the amount for 5 years at the same rate of interest . Which of the following statements is true in his regard ?

Which of the following are the factors of 2^(387) + 3^(344) ? (i) 216 (ii) 643 (iii) 735 (iv) 7073

If a o+ b = a^3 + b^2+ 1 a © b = (a - b)^2+ 1 a ** b = a^3 - b^2 + 1 The value of P = (((1 o+ 2) ** 2) © 1) is :

A computer typist types a page with 20 lines in 10 minutes but he lives 8% margin on the left side of the page. Now he has to type 23 pages with 40 lines on each page which he leves 25% more margin than before. How much time is now required to type these 23 pages?

Value of (625)^{0.16} \times(625)^{0.09} is

Answer the questions based on the following information. There are four numbers a,b,c,d such that a+b+c+d=12Find the number of integral solutions of the equation, such that agt-4, bgt-3,cgt-2,dgt-1.

A sum invested at the rate of interest 5% S.I grows to Rs. 5400 in 4 years. The same amount in 3 years at the rate of 10% per annum S.I will grow to

The value of 5^{1 / 4} \times(125)^{0.25} is:

Answer the questions based on the following information. There are four numbers a,b,c,d such that a+b+c+d=12Find the number of non-negative integral solutions of the equation.

Answer the questions based on the following information. There are four numbers a,b,c,d such that a+b+c+d=12Find the number of positive integral solutions of the equation.

Find the average of the square of first consecutive even numbers starting from 2 to 12, where the last even number is 12.

Answer the questions based on the following information. There are four numbers a,b,c,d such that a+b+c+d=-12.Find the number of integral solutions of the equation, such that (a,b,c,d)lt0

If 4^{2 x}=\frac{1}{32} then xis

The average weight of 8 women increases by 2.5 kg when a new woman replaces one of them weighing 65 kg. Find the weight of the new woman.

Find the altitude and base of an isosceles triangle whose vertical angle is 65^(@) and whose equal sides are 415 cm :

An article is listed at Rs. 65. A customer bought this article for Rs 56.16 and got two successive discounts of which one is 10%. Find the other discount of this discount scheme that was allowed by the shopkeeper

If (a+b): (b+c): (c+a)= 5: 6: 9 and a+b+c=10. What is the value of c :

A person has to covera distance of 48 km . If theincreases his speed by4 km/hhe reaches1 hour early . Find the hisinitial speed .

Rs. 2500 was borrowed for 3 years. What will be the compound interest if the rate of interest for first year is 3% per annum, second year is 4% per annum and for third year is 5% per annum respectively?

If x and y are positive real number, then :

If vec(A) makes an angle alpha, beta and gamma from x,y and z axis respectively then sin^(2)alpha+sin^(2) beta+sin^(2) gamma=

A can do a piece of work in 24 days, while B can do it in 30 days. With the help ofC they can finish the whole work in 12 days. How much time is required for C to complete the work, alone?

A person observed that he required 30 s time to cross a circular ground a long its diameter than to cover it once along the boundary. If his speed was 30m//min, then the radius of the circular ground is

The simplified value of sqrt(900) + sqrt(0.09) - sqrt(0.000009) is

4572xx195-765410=?+65126

A man walks 6 km at a speed of 1 1/2kmph, runs 8 km at a speed of 2 kmph and goes by bus another 40 km. Speed of the bus is 8 kmph. Find the average speed of the man in kmph.

What is the CI after 3 yr ? I. Rate is 5 % II After two years , Difference between Cl and SI is Rs 20.

Answer these questions based on the following informations There are ten points on a plane, such that no three of them are collinear. Find the maximum number of diagonals in a decagon formed by joining the ten points.

Answer these questions based on the following informations There are ten points on a plane, such that no three of them are collinear. Find the maximum number of straight lines formed by joining the ten points

Simplify and find '?'48 \sqrt{?}+32 \sqrt{?}=\mathbf{3 2 0}

In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 60 questions and secures 130 marks, the no of questions he attempts correctly is :

If DeltaABC is right - angle at B, AB = 6 units angle = 30^@ then AC is equal to

If a o+ b = a^3 + b^2+ 1 a © b = (a - b)^2+ 1 a b = a^3 - b^2 + 1 The value of P = (((1 o+ 2) 2) © 1) is :