8677 + Interview Questions in Maths in Class 14 Page 116 InterviewSolution

5751.	There are 850 students in a class. Out of these, 44%are Muslims, 28%are Hindus, 10% are Sikhs and remaining students belong to the other communities. How many students are there of other communities?
Answer» 173 143 153 163 Answer :C

Discussion

5752.	If C(2n,3):C(n,2)=12 :1 , findn:
Answer» 3 5 6 4 Answer :B

Discussion

5753.	On 6th march 2005 Monday falls what was the day of the week on 7th march 2004 ?
Answer» a) Tuesday B) Monday c) FRIDAY d) SUNDAY Answer :B

Discussion

5754.	The value of (sqrt5 + 2)/(sqrt5 - 2) is :
Answer» `4 - 9sqrt5` `9 + 4sqrt5` `9 - 4sqrt5` `7 + 4sqrt5` ANSWER :B

Discussion

5755.	A man has 7 friends. In how many ways can he invite one or more of them to a party?
Answer» a. 270 b. 128 c. 127 d. 277 Answer :A

Discussion

5756.	If x gt 0, y gt 0 then minimum value of (x+y)(1/x+ 1/y) is
Answer» 0 1 2 4 Answer :D

Discussion

5757.	Threenumbers which are co-prime to each other are such that the product of thefirst two is 551 and that of the last two is 1073. The sum of the three numbersis(a) 75 (b) 81 (c) 85 (d) 89
Answer» 75 81 85 89 Answer :C

Discussion

5758.	sqrt(625.04) xx 16.96 + 136.001 + 17 = ?
Answer» a. 418 b. 490 c. 578 d. 333 Answer :D

Discussion

5759.	2^16 -1is divisible by
Answer» 11 13 17 19 Answer :C

Discussion

5760.	Sum of three fractions is 2(11)/(24). On dividing the largest fraction by the smallest fraction, (7)/(6) is obtained which is (1)/(3) greater than the middle fraction. The smallest fraction is
Answer» `(3)/( 5) , ( 4)/( 7) , ( 2)/( 3)` `( 7 )/( 8), ( 5)/( 6) , ( 3)/( 4)` `( 7)/( 9), ( 2)/( 3), ( 3)/( 5)` `( 7)/( 8) , ( 7 )/( 9 ) , ( 7 )/( 10)` Answer :B

Discussion

5761.	Three girls Sangeeta, Namrata and Mandip are playing a game by standing on circle of radius 5 m drawn in a park . Sangeeta throws a ball to Namrata, Namrata to Mandip, Mandeep to Sangeeta. If the distance between Sangeeta and Namrata and between Namrata and Mandip is 6 m each, what is the distance between Sangita and Mandip?
Answer» 7.6 cm 8.6 cm 9.6 cm 4.6 cm Answer :C

Discussion

5762.	Find the equation whose roots are square of the roots of the equation x^3-2x^2+3x+1=0
Answer» `p^3+33p^2+12p+8=0` `p^3-19p^2+8p-15=0` `p^3-8p^2+19p-15=0` `p^3-19-8p+15=0` ANSWER :A

Discussion

5763.	A company allows 9%commission on total sales but if the salesman is appointed on a fixed salary of Rs. 4000 and 3%commission on the sales more than Rs. 10000, then the salesman gets Rs. 700 more. Find the total sales made by the salesman
Answer» ANSWER : RS. 50000

Discussion

5764.	Find that principal amount on which the difference of interest for 9 months yearly and quarterly is Rs. 18.30 at 20% per annum.
Answer» ANSWER :RS. 2400

Discussion

5765.	A butler stole wine from a butt of sherry containing 50% of spirit, then he replenished it by different wine containing 20% spirit. Thus there was only 30% strength (spirit) in the new mixture. How much of the original wine did he steal?
Answer» 44256 44257 44228 44287 Answer :B

Discussion

5766.	Suresh bought a cell phone from a shop. If he sells it at Rs. 8400 to Mahesh and earns a profit of 12%, find the price at which Suresh bought the cell phone.
Answer» Rs.7500 Rs.7350 Rs.7250 Rs.7100 Answer :C

Discussion

5767.	A circle has two parallel chords of lengths 6 cm and 8 cm. If the chords are 1 cm apart and the centre is on the same side of the chords, then a diameter of the circles is of length:
Answer» 5 cm 6 cm 8 cm 10 cm Answer :D

Discussion

5768.	Number of different colleges in India in different years is given in the graph below. Distribution of different colleges in the years 1980 and 1990 shown in the pie charts below : The growth rate in no. of medical colleges in 1980 to 1990 is :
Answer» `150%` `166.66%` `200%` `140%` ANSWER :B

Discussion

5769.	In the given figure, O is the centre of the circle and angleACB=25^@ Find angleAOB
Answer» `25^(@)` `50^(@)` `75^(@)` `60^(@)` ANSWER :B

Discussion

5770.	Find the value of (p^2+q^2)/(r^2+s^2), if p:q:: r:s.
Answer» 0.25 1 pq/rs `((p-q)/(r-s))^2` ANSWER :D

Discussion

5771.	If (110sqrt25)/(sqrt25+x)=50, then the value of x is
Answer» 25 `1/sqrt25` `sqrt25` `1/25` ANSWER :C

Discussion

5772.	A boy buys oranges at the rate of 3 for Rs. 2 and sells them at a rupee each. How many oranges must he sell to make a profit of Rs 10?
Answer» ANSWER :30

Discussion

5773.	How many different straight lines can be formed by joining 12 different points on a plane of which 4 art collinear and the rest are non-collinear?
Answer» 16 32 61 64 Answer :C

Discussion

5774.	Two trains A and B start from Delhi and Patna towards Patna and Delhi, respectively. After passing each other, they take 16 h and 9 h to reach Patna and Delhi,respectively.If the train from Delhi is moving at 90 km/h, then find the speed of the other train (in km/h).
Answer» a. 120 b. 190 c. 125 d. 145 Answer :A

Discussion

5775.	Which one(s) of the following graphs is/are correctly sketched for the given quadratic equation which has double root (i.e., both the roots are equal), considering that all of these graphs appear considerably thick when seen, with a magnifying lens? The horizontal lines, in these graphs, represent the X-axis.
Answer» (A) (i) and (ii) (B) (ii) and (IV) (C) (i) and (III) (D) (ii) and (iii) ANSWER :C

Discussion

5776.	Astha and Saumya each have certain number of oranges Astha says to Saumya if you give me 10 of your oranges I will have twice the number of oranges left with you,"Saumya reples,"if you give me 10 of your oranges ,I will have the same number of oranges as left with you,"find the number of oranges with Astha and Saumya respectively.
Answer» 60,40 70,50 60,80 70,90 Answer :B

Discussion

5777.	There are 60 workers who arefor M/s. Nottam Dibbawala Pvt. Ltd, Mumbai, outof which 25 are women . Alos : (i) 28 wrokers are married . (ii) 26 workers are graduate . (iii)20 workers are graduate and married out which 9 are men. (iv) 15 menare graduate . (v) 15 men are married .How manygraduatemen are married ?
Answer» 9 15 13 none of these Answer :A

Discussion

5778.	In the Presidency College two candidates contested a presidential election. 15%of the voters did not vote amd 41 votes were invalid. The elected contestant got 314 votes more than the other candidate. If the elected candidate got 45% of the total eligible voters, which is equal to the no of all the students of the college. The individual votes of each candidate are :
Answer» 2250 and 1936 3568 and 3254 2442 and 2128 2457 and 2143 Answer :D

Discussion

5779.	When A, B and Care deployed for a task, A and B together do 70% of the work and B and C together do 50% of the work. Who is most efficient?
Answer» A B C can't be determined Answer :A

Discussion

5780.	If the first term of an AP is 2 and thesum of the first five terms is equal to one-fourth of the sum of the next five terms, then what is the sum of the first ten terms?
Answer» -114 -82 -112 none of these Answer :C

Discussion

5781.	If x+ (1)/(x)=1, find x^(9) + (1)/(x^(9))=
Answer» ANSWER :`-2`

Discussion

5782.	Excluding stoppages, the speed of a train is 108 km/h and including stoppages, it is 90 km/h. For how many minutes does the train stop per hour?
Answer» 5 9 10 6 Answer :C

Discussion

5783.	Consider Δ ABD such that angleADB = 20^(@) and C is a point on BD such that AB = AC and CD = CA. Then the measure of angleABC is :
Answer» ANSWER :40

Discussion

5784.	Circle of radius 10 cm and 8 cm intersects atA andB AB = 12 find the distance b/w centres
Answer» ANSWER :`= 8 + 2 SQRT( 7)`

Discussion

5785.	A sphere of 5 cm radius is cut by two parallel planes which are 7 cm apart but on the opposite sides of the centre of the sphere. The radius of one of the ends of the zone is 3 cm. What is the lateral surface area (in sq. cm.) of the larger spherical cap of the two?
Answer» `10PI` `16pi` `25pi` `20PI` ANSWER :D

Discussion

5786.	A sphere of 5 cm radius is cut by two parallel planes which are 7 cm apart but on the opposite sides of the centre of the sphere. The radius of one of the ends of the zone is 3 cm. What is the volume (in cu. cm.) of the zone?
Answer» `(21)/5 pi` `(17)/4 pi` `(14)/3 pi` `6pi` Answer :C

Discussion

5787.	Puneet scored 175 marks in a test and failed by 35 marks. If the passing percentage of the test is 35%, what are the maximum marks of the test ?
Answer» 650 700 750 600 Answer :C

Discussion

5788.	Read the following information carefully to answer the questions that follow. As seen from the top and bottom of a building of heightof h m , the angles of elevation of the top of a tower of height ((3+sqrt3)h)/2m are alpha and beta , respectively, If β = 30^@ and if6 is the angle of depression of the foot of the tower as seen from the top of the building, then what is tan 9 equal to?
Answer» `((3-SQRT3))/(3SQRT3)` `((3 + sqrt3))/(3sqrt3)` `((2 -sqrt3))/(3sqrt3)` None of these ANSWER :A

Discussion

5789.	Read the following information carefully to answer the questions that follow. As seen from the top and bottom of a building of heightof h,u , the angles of elevation of the top of a tower of height ((3+sqrt3)h)/2m are alpha and beta , respectively, Ifa= 30^@, then what is the value of tanP ?
Answer» 1 `1//2` `1//3` NONE of these ANSWER :A

Discussion

5790.	Read the following information carefully to answer the questions that follow. As seen from the top and bottom of a building of heightof h,u , the angles of elevation of the top of a tower of height ((3+sqrt3)h)/2m are alpha and beta , respectively, If P = 30^@,then what is the value of tan a ?
Answer» `1//2` `1//3` `1//4` NONE of these ANSWER :B

Discussion

5791.	If a sequence is as given below : 1,1,2,3,5,8,13,21,34,…. The unit digit of the 75 th term of this sequence will be:
Answer» 0 5 7 none of these Answer :A

Discussion

5792.	If the two digits of the age of Mr Manoj are reversed then the new age so obtained is the age of his wife. (1)/(11)of the sum of their ages is equal to the difference between their ages. If Mr Manoj is elder than his wife then find the difference between their ages
Answer» Cannot be determined 10 years 9 years 7 years Answer :C

Discussion

5793.	Out of the following numbers which is divisible by 132?
Answer» 31218 78520 38148 52020 Answer :C

Discussion

5794.	Find the soluations of the following equations. m+sqrt(2m-3)=1
Answer» SOLUTION :There is no SOLUATION

Discussion

5795.	If f(x)=x^(3)+3x^(2)+3x, then f(x+1) is equal to
Answer» `x^3+6x^2+12x+7` `x^3+4x^2+5` `3x^3+12x^2+4x+1` `2x^3+6x^2+3` ANSWER :A

Discussion

5796.	What is the remainder in the expression 29÷6
Answer» 4 5 1 0 Answer :C

Discussion

5797.	What sum of money will become Rs. 1,352 in 2 years at 4% per annum compound interest ?
Answer» RS. 1,200 Rs. 1,225 Rs. 1,250 Rs. 1,300 Answer :C

Discussion

5798.	Find the smallest positive number which is a exactly divisible by 2/3 , 1/2 and 4/7.
Answer»

Discussion

5799.	Multiply 387 by 5 i.e, 387xx5.
Answer»

Discussion

5800.	A bag contains 3 red and 4 black balls and another bag has 4 red and 2black balls. One bag is selected at random and from the selected bag a ballis drawn. Let A be the event that the first bag is selected, B be the eventthat the second bag is and C be the event that the ball drawn is red. Find P(A),P(C//A)a n d P(C//B)dot
Answer» `1/2` `3/4` `1/4` `5/8` ANSWER :A

Discussion

Explore topic-wise InterviewSolutions in .

There are 850 students in a class. Out of these, 44%are Muslims, 28%are Hindus, 10% are Sikhs and remaining students belong to the other communities. How many students are there of other communities?

If C(2n,3):C(n,2)=12 :1 , findn:

On 6th march 2005 Monday falls what was the day of the week on 7th march 2004 ?

The value of (sqrt5 + 2)/(sqrt5 - 2) is :

A man has 7 friends. In how many ways can he invite one or more of them to a party?

If x gt 0, y gt 0 then minimum value of (x+y)(1/x+ 1/y) is

Threenumbers which are co-prime to each other are such that the product of thefirst two is 551 and that of the last two is 1073. The sum of the three numbersis(a) 75 (b) 81 (c) 85 (d) 89

sqrt(625.04) xx 16.96 + 136.001 + 17 = ?

2^16 -1is divisible by

Sum of three fractions is 2(11)/(24). On dividing the largest fraction by the smallest fraction, (7)/(6) is obtained which is (1)/(3) greater than the middle fraction. The smallest fraction is

Find the equation whose roots are square of the roots of the equation x^3-2x^2+3x+1=0

A company allows 9%commission on total sales but if the salesman is appointed on a fixed salary of Rs. 4000 and 3%commission on the sales more than Rs. 10000, then the salesman gets Rs. 700 more. Find the total sales made by the salesman

Find that principal amount on which the difference of interest for 9 months yearly and quarterly is Rs. 18.30 at 20% per annum.

A butler stole wine from a butt of sherry containing 50% of spirit, then he replenished it by different wine containing 20% spirit. Thus there was only 30% strength (spirit) in the new mixture. How much of the original wine did he steal?

Suresh bought a cell phone from a shop. If he sells it at Rs. 8400 to Mahesh and earns a profit of 12%, find the price at which Suresh bought the cell phone.

A circle has two parallel chords of lengths 6 cm and 8 cm. If the chords are 1 cm apart and the centre is on the same side of the chords, then a diameter of the circles is of length:

Number of different colleges in India in different years is given in the graph below. Distribution of different colleges in the years 1980 and 1990 shown in the pie charts below : The growth rate in no. of medical colleges in 1980 to 1990 is :

In the given figure, O is the centre of the circle and angleACB=25^@ Find angleAOB

Find the value of (p^2+q^2)/(r^2+s^2), if p:q:: r:s.

If (110sqrt25)/(sqrt25+x)=50, then the value of x is

A boy buys oranges at the rate of 3 for Rs. 2 and sells them at a rupee each. How many oranges must he sell to make a profit of Rs 10?

How many different straight lines can be formed by joining 12 different points on a plane of which 4 art collinear and the rest are non-collinear?

Two trains A and B start from Delhi and Patna towards Patna and Delhi, respectively. After passing each other, they take 16 h and 9 h to reach Patna and Delhi,respectively.If the train from Delhi is moving at 90 km/h, then find the speed of the other train (in km/h).

When A, B and Care deployed for a task, A and B together do 70% of the work and B and C together do 50% of the work. Who is most efficient?

If the first term of an AP is 2 and thesum of the first five terms is equal to one-fourth of the sum of the next five terms, then what is the sum of the first ten terms?

If x+ (1)/(x)=1, find x^(9) + (1)/(x^(9))=

Excluding stoppages, the speed of a train is 108 km/h and including stoppages, it is 90 km/h. For how many minutes does the train stop per hour?

Consider Δ ABD such that angleADB = 20^(@) and C is a point on BD such that AB = AC and CD = CA. Then the measure of angleABC is :

Circle of radius 10 cm and 8 cm intersects atA andB AB = 12 find the distance b/w centres

A sphere of 5 cm radius is cut by two parallel planes which are 7 cm apart but on the opposite sides of the centre of the sphere. The radius of one of the ends of the zone is 3 cm. What is the lateral surface area (in sq. cm.) of the larger spherical cap of the two?

A sphere of 5 cm radius is cut by two parallel planes which are 7 cm apart but on the opposite sides of the centre of the sphere. The radius of one of the ends of the zone is 3 cm. What is the volume (in cu. cm.) of the zone?

Puneet scored 175 marks in a test and failed by 35 marks. If the passing percentage of the test is 35%, what are the maximum marks of the test ?

Read the following information carefully to answer the questions that follow. As seen from the top and bottom of a building of heightof h,u , the angles of elevation of the top of a tower of height ((3+sqrt3)h)/2m are alpha and beta , respectively, Ifa= 30^@, then what is the value of tanP ?

Read the following information carefully to answer the questions that follow. As seen from the top and bottom of a building of heightof h,u , the angles of elevation of the top of a tower of height ((3+sqrt3)h)/2m are alpha and beta , respectively, If P = 30^@,then what is the value of tan a ?

If a sequence is as given below : 1,1,2,3,5,8,13,21,34,…. The unit digit of the 75 th term of this sequence will be:

If the two digits of the age of Mr Manoj are reversed then the new age so obtained is the age of his wife. (1)/(11)of the sum of their ages is equal to the difference between their ages. If Mr Manoj is elder than his wife then find the difference between their ages

Out of the following numbers which is divisible by 132?

Find the soluations of the following equations. m+sqrt(2m-3)=1

If f(x)=x^(3)+3x^(2)+3x, then f(x+1) is equal to

What is the remainder in the expression 29÷6

What sum of money will become Rs. 1,352 in 2 years at 4% per annum compound interest ?

Find the smallest positive number which is a exactly divisible by 2/3 , 1/2 and 4/7.

Multiply 387 by 5 i.e, 387xx5.