8677 + Interview Questions in Maths in Class 14 Page 70 InterviewSolution

3451.	A company made a cubodial box of size 16xx12xx5 to sell the ice cream, but later on it was found that the capacity of the box was 14.28% less than the required capacity while the height of the box was correct, which is 5 inches. As per the requirement he had to increase the length and breadth of the box in equal amount then the percentage increase in the area of the base of the box is
Answer» `12.5%` `6.66%` `16.66%` NONE of these Answer :C

Discussion

3452.	Value of [(x^l)^(1 - 1/l)]^(1/(l - 1)) is:
Answer» a. `x` B. `1` C. `x^(-1)` d. `x^(-L)` Answer :A

Discussion

3453.	The population of vultures in a particular locality is decreases by a certain rate of interest (compounded annually). If the current population of vultures be 29160 and the ratio of decrease in population for second year and 3rd year be 10 : 9. What was the population of vultures 3 years ago.
Answer» 30000 35000 40000 50000 Answer :C

Discussion

3454.	A straight line x/a -y/b =1 passes through the point (8,6) and cuts off a triangle of area 12 units from the axes of coordinates . Find the equations of the straight line .
Answer» 3X - 2Y = 12 4x - 3y = 12 3x - 8Y + 24 = 0 BOTH (A) AND (B) Answer :D

Discussion

3455.	In Veeru Bhai Pvt. Limited company 60% of the employee are men and 48% of the employees are engineer and 66.6% of these are men. The percentage of women who are not engineers:
Answer» 0.3333 0.6 0.52 0.4666 Answer :B

Discussion

3456.	If tan(A+B)=p&tan(A-B)=q, then the value of tan 2A is
Answer» `(p+q)/(p-q)` `(p-q)/(1+pq)` `(p+q)/(1-pq)` `(1+pq)/(p-q)` ANSWER :A

Discussion

3457.	137 % of 12345 = ?
Answer» ANSWER :A

Discussion

3458.	The area of an isosceles trapezium is 176 cm^(2)and the height is (2)/(11) of the sum of its parallel sides. If the ratio of the length of the parallel sides be 4 : 7 , then the length of a diagonal is :
Answer» ANSWER :`2 SQRT( 1370)` CM

Discussion

3459.	4th april 1988 was Monday what day on the week was it on 6th november 1987
Answer» a. Tuesday B. FRIDAY 3. SUNDAY 4. Saturday Answer :B

Discussion

3460.	On dividing (x^3-5x + 6) by(x+1) the the remainder is:
Answer» 2 12 10 6 Answer :C

Discussion

3461.	three pipes A, B, and C and fill the tank in 10 hours, 20 hours and 40 hours respectively. In the beginning all of them are opened simultaneously. After 2 hours, tap C is closed and A and B are kept running. After the 4 th hour, tap B is also closed. The remaining work is done by tap A alone. What is the percentage of the work dane by tap A alone?
Answer» `30%` `35%` `45%` `50%` Solution :Pipe A's work in `% = 100/10 = 10%` Pipe B's work in `%= 100/20= 5%` Pipe C's work in `%=100/40 = 2.5 %` All of them are opened for 2 hours + after 2 hours, tap C is closed + After the 4th hour, tap B is also closed =100 `THEREFORE (10 + 5 + 2.5) xx 2 + (10+5) xx 2 + X = 100` ` therefore 35+ 30 +` work by tap A alone` = 100` `therefore` work by tap A alone `= 100 - 65 = 35%`

Discussion

3462.	Find Angle between two line x sinalpha+ycosalpha=p_(1) and x sin B +ycosB=p_(2)""(alpha gt beta)
Answer» ANSWER :`beta-alpha`

Discussion

3463.	Speed of a car in 42 km/h. It is stops for a few minutes in an hour. Then its average speed becomes 28 km/h. Find out the times duration it step for in an hour.
Answer» ANSWER :20 MIN

Discussion

3464.	Let alpha and beta be the roots of the equation x^2+x+1=0. The equation whose roots are alpha^29, beta^17 is (A) x^2-x+1=0 (B) x^2+x+1=0 (C) x^2-x-1=0 (D) x^2+x-1=0
Answer» `x^2-x-1=0` `x^2-x+1=0` `x^2+x-1=0` `x^2+x+1=0` ANSWER :D

Discussion

3465.	Find the number of terms in the AP 16,22,28,34,…..616
Answer» 80 78 99 101 Answer :D

Discussion

3466.	In how many ways can 10 different prizes be given to five students if the head boy must get 4 prizes and rest of the students can get any number of prizes?
Answer» a. 270 b. 360 C. 720 d. NONE of these Answer :C

Discussion

3467.	The perimeter of the rectangular field is 480 meters and the ratio between the length and breadth is 5:3. Find the area of the field.
Answer» 54000 `m^2` 13500 `m^2` 15000 `m^2` 7200 `m^2` ANSWER :B

Discussion

3468.	If 133! is divisible by7^(n)then find the maximum value of n.
Answer» 21 22 23 24 Answer :a

Discussion

3469.	If a roll of paper 1 km long has area 1/25 hectare, how wide is the paper ?
Answer» 4 m 40 cm 40 dm 25 cm Answer :B

Discussion

3470.	Average annual exports during the given period for company V is approximately what per cent of the av- erage annual exports for company Z?
Answer» 0.8712 0.8964 0.9121 93. 33 % ANSWER :D

Discussion

3471.	Convert 0.454545 to binary equivalent.
Answer» ANSWER :`(0.1000101110)_2`

Discussion

3472.	Find the remiander when 32^(32) is divided 10.
Answer» 6 1 4 2 Answer :a

Discussion

3473.	Find the total number of factors of 24.
Answer» Solution :`24 = 2^3xx3^1` `therefore 24 = 2xx2xx2xx3` >br> therefore Number of FACTORS = (3 + 1) (1 + 1) = 8

Discussion

3474.	A can complete a work in 18 days, B can do the same work in half the time as A. What part of work can be completed by both of them working together in 1 day
Answer» ANSWER :`(1)/(6)` PART

Discussion

3475.	A person bought some article at rate of 6 for Rs 20 and bought same number of articles at the rate of 8 for Rs 25. And sold all the stock at the rate of 8 for Rs 31. Find the profit or loss% ?
Answer» ANSWER :20% PROFIT

Discussion

3476.	123 typist typed 984 papers in 1/15 hour.The number of papers typed per minute by an average typist is:
Answer» 1 2 3 5 Answer :B

Discussion

3477.	If ABC is a right angled triangle at B and M, N are the mid-points of AB and BC, then 4(AN^2+CM^2) is equal to :
Answer» `4AC^2` `6AC^2` `5AC^2` `5/4AC^2` ANSWER :C

Discussion

3478.	[(3-4(3-4)^(-1)]^(-1) is equal to :
Answer» 7 -7 `(1)/(7)` `-(1)/(7)` ANSWER :C

Discussion

3479.	If AB, BC and AC be the three sides of a triangle ABC, then which one of the following is true?
Answer» `AB-BC=AC` `(AB-BC)gtAC` `(AB-BA) LTAC` `AB^(2)-BC^(2)=AC^(2)` Answer :C

Discussion

3480.	There are total five departments in a company. There are total 70 employees in Finance department which is 25% of total employees in the company. 2/7 of the total employees of the company are working in HR departement ,Employees working in Sales departemtn are 25% more than that in HR department. Ratio between employees working in Security and Housing department is 1:2. Find the number of employees working in HR department is what percent more than number of employees working in Security department ?
Answer» 950 800 650 700 Solution :REQUIRED `%=(80-10)/(10)XX100=(70)/(10)xx100=700%`

Discussion

3481.	How many cubes each of surface area 24 sq. dm can be made out of a metre cube, without any wastage :
Answer» 75 250 125 62 Answer :C

Discussion

3482.	Triangle ABC inscribes a circle with centre O and inradius sqrt6 cm. The inradius OD divides side BC at D, such that BD=2 cm and DC=8 cm. Find the ratio AB:AC.
Answer» `4:7` `5:7` `4:5` cannot be determined Answer :A

Discussion

3483.	In India there were only three bicycle making companies in the given period. The following table shows the production of units (in 000) Atlas cycles on an average account for what percentage of the total bicycles production :
Answer» `15%` `23.4%` `34.5%` `29%` ANSWER :B

Discussion

3484.	There are total five departments in a company. There are total 70 employees in Finance department which is 25% of total employees in the company. 2/7 of the total employees of the company are working in HR departement ,Employees working in Sales departemtn are 25% more than that in HR department. Ratio between employees working in Security and Housing department is 1:2. In Security department, 40% are female employees then find total male employees working in Security department ?
Answer» 7 4 8 6 Solution :Total NUMBER of MALE employees working in SECURITY department `=(60)/(100)xx10=6`

Discussion

3485.	There are total five departments in a company. There are total 70 employees in Finance department which is 25% of total employees in the company. 2/7 of the total employees of the company are working in HR departement ,Employees working in Sales departemtn are 25% more than that in HR department. Ratio between employees working in Security and Housing department is 1:2. Number of employees in Housing department employees then find male employees working in Security department?
Answer» `10` `20` `30` `40` SOLUTION :REQUIRED DIFFERENCE =20-10=10

Discussion

3486.	There are total five departments in a company. There are total 70 employees in Finance department which is 25% of total employees in the company. 2/7 of the total employees of the company are working in HR departement ,Employees working in Sales departemtn are 25% more than that in HR department. Ratio between employees working in Security and Housing department is 1:2. Find the average number of employees working ins Sales, Finance andHousing department ?
Answer» 60 70 63 59 Solution :REQUIRED AVERAGE `=(100+70+20)/(3)=(190)/(3)=63.33~~63`

Discussion

3487.	There are total five departments in a company. There are total 70 employees in Finance department which is 25% of total employees in the company. 2/7 of the total employees of the company are working in HR departement ,Employees working in Sales departemtn are 25% more than that in HR department. Ratio between employees working in Security and Housing department is 1:2. Ratio between total number of male and female employees in HR department is 2:3. Find total number of female employees working in HR department ?
Answer» `32` `48` `64` `40` SOLUTION :Total NUMBER of female employees in HR DEPARTMENT `=(3)/(5)xx80=48`

Discussion

3488.	Three glasses of sizes 3lt , 4lt and 5lt contains mixture of sprit and water in the ratio 2 : 3, 3 : 7 and 4 : 11 respectively. All three glasses are poured into a single vessel. Find the ratio of sprit and water in resultant mixture.
Answer» ANSWER :`14: 31`

Discussion

3489.	Ratio of efficiency of P and Q is 3 : 4. Find the ratio of number of days they will take to complete the work
Answer» ANSWER :`4:3`

Discussion

3490.	There are two vessels containing 2 mixture of acid having different concentration. A contains 8 ltacid and B contains 6 ltacid. 2x ltwas taken out from vessel A and x ltof mixture was taken out from vessel B and are poured into each other and their concentation becomes equal. Find the value of x.
Answer» ANSWER :2.4 LT

Discussion

3491.	If x^(2)+x+4 is divided by (x-1), find the remainder
Answer» ANSWER :6

Discussion

3492.	Let f(x)=sqrt(x^5) then f(5x) is equal to:
Answer» 5X`SQRT(5x)` `25x^2sqrt(5x)` 5x `sqrt(5x^5)` ANSWER :B

Discussion

3493.	A five-digit number is called a mountain number if the first three digits increase and the last three digits decrease. For example, 35763 is a mountain number, but 35663 is not. How many five-digit numbers greater than 70,000 are mountain numbers?
Answer» 69 36 63 96 Answer :B

Discussion

3494.	A can do a work in 15 days and B in 30 days. If they work on it together, then in how many days will they be able to do 40% of the work?
Answer» 4 days 2 days 3 days 6 days Answer :D

Discussion

3495.	Reena had X 10000 with her. Out of this money, she lent some money to Akshay for 2 yr at 15% simple interest. She lent remaining money to Brijesh for an equal number of years at the rate of 18%. After 2 yr, Reena found that Akshay had given her X 360 more as interest as compared to Brijesh. The amount of money which Reena had lent to Brijesh must be
Answer» ? 4000 ? 4200 ? 4500 None of these Answer :D

Discussion

3496.	What is the HCF of a^2 b^4 + 2a^2 b^2 and (a^2b^7)
Answer» (1) `ab ` (2) `a^2 b^3` (3) `a^2 b^2` (4) `a^3 b^2` Answer :C

Discussion

3497.	3.2 xx8.1 + 3185+4.95 = ?
Answer» ANSWER :A

Discussion

3498.	If (2x+17)^(@),(x+4)^(@) are complementary, find x :
Answer» ANSWER :23

Discussion

3499.	If there are 11 players in a cricket team, all of whom shake hands with each other, how many shake hands take place in the team?
Answer» 36 55 66 none ofthese Answer :B

Discussion

3500.	Area of a parellogram is 800 cm^(2) and ratioof length and breadth is 5 : 4. If distance b/w biggerside is 20 cm. Find the distance between smallerside.
Answer» ANSWER :25 CM

Discussion

Explore topic-wise InterviewSolutions in .

Value of [(x^l)^(1 - 1/l)]^(1/(l - 1)) is:

The population of vultures in a particular locality is decreases by a certain rate of interest (compounded annually). If the current population of vultures be 29160 and the ratio of decrease in population for second year and 3rd year be 10 : 9. What was the population of vultures 3 years ago.

A straight line x/a -y/b =1 passes through the point (8,6) and cuts off a triangle of area 12 units from the axes of coordinates . Find the equations of the straight line .

In Veeru Bhai Pvt. Limited company 60% of the employee are men and 48% of the employees are engineer and 66.6% of these are men. The percentage of women who are not engineers:

If tan(A+B)=p&tan(A-B)=q, then the value of tan 2A is

137 % of 12345 = ?

The area of an isosceles trapezium is 176 cm^(2)and the height is (2)/(11) of the sum of its parallel sides. If the ratio of the length of the parallel sides be 4 : 7 , then the length of a diagonal is :

4th april 1988 was Monday what day on the week was it on 6th november 1987

On dividing (x^3-5x + 6) by(x+1) the the remainder is:

Find Angle between two line x sinalpha+ycosalpha=p_(1) and x sin B +ycosB=p_(2)""(alpha gt beta)

Speed of a car in 42 km/h. It is stops for a few minutes in an hour. Then its average speed becomes 28 km/h. Find out the times duration it step for in an hour.

Let alpha and beta be the roots of the equation x^2+x+1=0. The equation whose roots are alpha^29, beta^17 is (A) x^2-x+1=0 (B) x^2+x+1=0 (C) x^2-x-1=0 (D) x^2+x-1=0

Find the number of terms in the AP 16,22,28,34,…..616

In how many ways can 10 different prizes be given to five students if the head boy must get 4 prizes and rest of the students can get any number of prizes?

The perimeter of the rectangular field is 480 meters and the ratio between the length and breadth is 5:3. Find the area of the field.

If 133! is divisible by7^(n)then find the maximum value of n.

If a roll of paper 1 km long has area 1/25 hectare, how wide is the paper ?

Average annual exports during the given period for company V is approximately what per cent of the av- erage annual exports for company Z?

Convert 0.454545 to binary equivalent.

Find the remiander when 32^(32) is divided 10.

Find the total number of factors of 24.

A can complete a work in 18 days, B can do the same work in half the time as A. What part of work can be completed by both of them working together in 1 day

A person bought some article at rate of 6 for Rs 20 and bought same number of articles at the rate of 8 for Rs 25. And sold all the stock at the rate of 8 for Rs 31. Find the profit or loss% ?

123 typist typed 984 papers in 1/15 hour.The number of papers typed per minute by an average typist is:

If ABC is a right angled triangle at B and M, N are the mid-points of AB and BC, then 4(AN^2+CM^2) is equal to :

[(3-4(3-4)^(-1)]^(-1) is equal to :

If AB, BC and AC be the three sides of a triangle ABC, then which one of the following is true?

How many cubes each of surface area 24 sq. dm can be made out of a metre cube, without any wastage :

Triangle ABC inscribes a circle with centre O and inradius sqrt6 cm. The inradius OD divides side BC at D, such that BD=2 cm and DC=8 cm. Find the ratio AB:AC.

In India there were only three bicycle making companies in the given period. The following table shows the production of units (in 000) Atlas cycles on an average account for what percentage of the total bicycles production :

Three glasses of sizes 3lt , 4lt and 5lt contains mixture of sprit and water in the ratio 2 : 3, 3 : 7 and 4 : 11 respectively. All three glasses are poured into a single vessel. Find the ratio of sprit and water in resultant mixture.

Ratio of efficiency of P and Q is 3 : 4. Find the ratio of number of days they will take to complete the work

There are two vessels containing 2 mixture of acid having different concentration. A contains 8 ltacid and B contains 6 ltacid. 2x ltwas taken out from vessel A and x ltof mixture was taken out from vessel B and are poured into each other and their concentation becomes equal. Find the value of x.

If x^(2)+x+4 is divided by (x-1), find the remainder

Let f(x)=sqrt(x^5) then f(5x) is equal to:

A five-digit number is called a mountain number if the first three digits increase and the last three digits decrease. For example, 35763 is a mountain number, but 35663 is not. How many five-digit numbers greater than 70,000 are mountain numbers?

A can do a work in 15 days and B in 30 days. If they work on it together, then in how many days will they be able to do 40% of the work?

What is the HCF of a^2 b^4 + 2a^2 b^2 and (a^2b^7)

3.2 xx8.1 + 3185+4.95 = ?

If (2x+17)^(@),(x+4)^(@) are complementary, find x :

If there are 11 players in a cricket team, all of whom shake hands with each other, how many shake hands take place in the team?

Area of a parellogram is 800 cm^(2) and ratioof length and breadth is 5 : 4. If distance b/w biggerside is 20 cm. Find the distance between smallerside.