8677 + Interview Questions in Maths in Class 14 Page 105 InterviewSolution

5201.	Two numbers are 40% and 35% lesser than a third number. Byhow much percent is the first number to be enhanced to make it equalto the second number?
Answer» (a) `81/3%` (B) `12 1/2%` (c) `13 1/3%` (d) `6 1/4%` Answer :C

Discussion

5202.	Q. sqrt3 cosec20^@-sec20^@=
Answer» `-1` 1 4 `-4` ANSWER :C

Discussion

5203.	Calendar for the year2008 will be the same for which of the following years ?
Answer» a) 2017 B) 2019 c) 2020 d) 2036 Answer :B

Discussion

5204.	Find the number of factor of 80.
Answer» 10 12 6 8 Answer :a

Discussion

5205.	42 workers can reap a field in 8 days. If the work is to be completed in 7 days, the extra workers needed are:
Answer» 7 6 14 16 Answer :B

Discussion

5206.	If a five digit number 'm21 n2" is divisible by 24 then the maximum number of possible combinations of m and n.
Answer» 4 9 16 10 Answer :B

Discussion

5207.	Total wages of 3 men, 2 women and 4 boys is Rs 26. If the wages of 3 men is equal to that of 4 women and the wages of 2 women is equal to that of 3 boys, then find out the total wages of 4 men, 3 women and 2 boys.
Answer» A. 29 B. 35 C. 65 D. 20 Answer :A

Discussion

5208.	What percent is :25 out of 160
Answer» A) 10% B) 12% C) 15.625% D)23% SOLUTION :`15.625`

Discussion

5209.	If perimeter of an isoceles right angled Delta is P . Then find the area of this triangle .
Answer» <P> ANSWER :`(P^(2))/(4)(3-2sqrt3)`

Discussion

5210.	The product of any two integers is 25, then the minimum possible sum is :
Answer» 5 10 26 none of these Answer :D

Discussion

5211.	Sum of infinite series 1/(14)+1/(47)+1/(7*10)+......oo is
Answer» 44256 44287 38/27 none Answer :A

Discussion

5212.	A shopkeeper buys 100 eggs at ₹ 1.20 per piece. Unfortunately 4 eggs got spoiled during transportation. The shopkeeper sells the remaining eggs at ₹ 15 a dozen. Find his profit or loss.
Answer» profit RS 2 loss Rs 2 loss Rs 3 no profit no loss Solution :Cost PRICE of all eggs `=₹100xx 1.2=₹120` Selling price of ONE EGG `=15/12=₹1.25therefore` Selling price of 96 eggs `=96xx15/12=₹120`

Discussion

5213.	If company has hired 12 more people, who can do any of the three jobs, then maximum how many books can be prepared in each day?
Answer» 1500 1680 1800 more than 2000 Answer :C

Discussion

5214.	The smallest number must be added to 1780 to make it a perfect square is :
Answer» 69 156 49 59 Answer :A

Discussion

5215.	If f(x)=x, g(x)=sqrt(x^2) and h(x)=x^2/x, then the set of values for which the given functions f(x), g(x) and h(x) are identical is :
Answer» R-{0} R `R^+` `R^+ CUP {0}` ANSWER :C

Discussion

5216.	Fourdice arethrownsimultaneously. Findthe probabilitythat : twoof themshowthe samefaceandremainingtwoshowthe differentthefaces .
Answer» `4/9` `5/9` `11/18` `7/9` ANSWER :B

Discussion

5217.	ABCD is a parallelogram, angleDAB=30^(@) BC = 20 cm and AB = 40cm. Find the area of parallelogram :
Answer» 150 `CM^(2)` 200 `cm^(2)` 400`cm^(2)` 260 `cm^(2)` ANSWER :C

Discussion

5218.	If xAy means x+y, xSy means x-y, xMy means (x)xxy and xDy means xdivy. Then the value of 4D2S3M6A12 is :
Answer» -4 18 `(-47)/4` NONE of these Answer :A

Discussion

5219.	Out of the five intergral number C is the average of A and D.B is greater than C and less than D. Also, B is the average of A and E. The middle most number in the sequence is :
Answer» A B C D Answer :B

Discussion

5220.	Four pipe A, B, C and D can fill a cistern in 20, 25, 40 and 50 hours respectively. The first pipe A was opened at 6:00 am, B at 8:00 am, C at 9:00 am and D at 10:00 am. When will the cistern be full ?
Answer» `4:18` PM `3:09` pm `12:15` pm `11:09` am Answer :B

Discussion

5221.	(3^(25)+3^(26)+3^(27)+3^(28))is divisible by11(b) 16 (c) 25 (d) 30
Answer» 11 16 25 30 Answer :D

Discussion

5222.	A man takes 4 h 20 minutes in walking to a certain place and riding back. If he walk on both sides he loses 1 h. The time he would take by riding both ways is :
Answer» 2 H 20 min 3 h 20 min 2 h 4 h 40 min Answer :B

Discussion

5223.	Find the quadratic equation whose roots are sqrt3 and 2sqrt3 :
Answer» `x^2+3sqrt(3X)-6=0` `x^2-3sqrt(3x)+6=0` `x^2+3sqrt(3x)+5=0` NONE of these Answer :B

Discussion

5224.	If cosectheta-sintheta=landsectheta-costheta=m, then l^(2)m^(2)(l^(2)+m^(2)+3)=?
Answer» 1 `-1` 2 4 Answer :A::D

Discussion

5225.	The surface area of a spherical part of a hemispherical bowl with a flat circular detachable cover, excluding the cover, is 1232 sq cm. The area of the cover is 78.5 sq cm. What is the volume of the bowl?
Answer» `1339.44 cm^3` `1430.66 cm^3` `1570.25 cm^3` Cannot be determined Solution :According to question. `2pir^2=1232 cm^2` `r^2=1232/2xx7/22=196` `:. R=14 cm` `:'" VOLUME "=2/3pir^3` `=2/3xx22/7xx(14)^3` `=1642.66 cm^2`

Discussion

5226.	Giventhatthe sumof two- negativequantiesis 200, theprobabilitythattheirproductis notlessthan 3/4timestheirgreatestproductvalueis :
Answer» a. `99/200` B. `100/200` C. `87/100` d. NONE of these Answer :B

Discussion

5227.	Once I met two persons of the same parents namely Ashmit and Amish. Mean while Ashmit told me that he has twic the number of sisters as the number of brothers. Further Amisha told me that he has twice the number of sisters as the number of brothers. Furtger Amisha told me that she has twice the number of brothers are the number of sisters. Actually it was very confusing for me, so do you know that how many brothers and sisters are in their family?
Answer» 4 5 6 can't be determined Answer :A

Discussion

5228.	Around a square table chairs are arranged in a sequence starting from one corner, numbered as 1,2,3, ... etc. The chair number 2 is opposite the chair number 14. How many chairs are there in all?
Answer» 10 20 14 can't be determined Answer :B

Discussion

5229.	From stations A and B,two trains start moving towards each other with the speeds of 150 km/h and130km/h,respectively.When the two trains meet each other,it is found that one train covers 20 km more than that of another train. Find the distance between stations A and B.
Answer» ANSWER :`=280 KM`

Discussion

5230.	Find the value of sqrt((1-sintheta)/(1+sintheta))+sqrt((1+sintheta)/(1-sintheta)).
Answer» `-2SEC THETA` `2sectheta` `2cosectheta` `2tantheta` ANSWER :B

Discussion

5231.	A table below shows the production and imports of circle oil (in '000 tonnes). Domestic production of crude oil is total of on-share and off-shore production, which is supplemented by imports to meet the total demand of crude oil in the country. What was the percentage change in domestic production of crude oil from 2001-2003 ?
Answer» 14% 27% 17.4% `-10%` ANSWER :C

Discussion

5232.	A table below shows the production and imports of circle oil (in '000 tonnes). Domestic production of crude oil is total of on-share and off-shore production, which is supplemented by imports to meet the total demand of crude oil in the country. What is the average of total demand of crude oil over the period ?
Answer» A)185 MILLION tonnes B)52 million tonnes C)18.5 million tonnes D)35 million tonnes Answer :B

Discussion

5233.	A table below shows the production and imports of circle oil (in '000 tonnes). Domestic production of crude oil is total of on-share and off-shore production, which is supplemented by imports to meet the total demand of crude oil in the country. What was the percentage of domestic production of crude oil over imports in 2001 ?
Answer» 0.8 1.4 1.0952 none of these Answer :C

Discussion

5234.	Alloy A contains 40% gold and 60% silver. Alloy B contains 35% gold and 40% silver and 25% copper. Alloys A and Bare mixed in the ratio of 1:4 .What is the ratio of gold and silver in the newly formed alloy is?
Answer» A) 20% and 30% B) 36% and 44% C) 25% and 35% D) 49% and 36% ANSWER :C

Discussion

5235.	If (4x^2-3y^2):(2x^2+5y^2)=12:19 then x:y=
Answer» `1:2` `4:3` `4:5` `3:2` ANSWER :D

Discussion

5236.	A table below shows the production and imports of circle oil (in '000 tonnes). Domestic production of crude oil is total of on-share and off-shore production, which is supplemented by imports to meet the total demand of crude oil in the country. If in the year 2004, off-shore production declines by 12.5% production on-shore remains the same and total demand increases by 2% what will the imports of crude oil in 2004 ?
Answer» A)33.14 MILLION tonnes B)63 million tonnes C)39 million tonnes D)25 million tonnes Answer :B

Discussion

5237.	The number of zeros at the end of 100!, is
Answer» 25 50 24 100 Answer :C

Discussion

5238.	Find ratio of Area of ABC and area of PQR
Answer» ANSWER :4

Discussion

5239.	If one root is 3-sqrt5 and the other root is 3+sqrt5, find the possible sum of coefficients ofx^2 and x.
Answer» `-20` `-5` 14 11 Answer :A

Discussion

5240.	Which one of the following statements is not correct :
Answer» EVERY integer is a rational NUMBER every NATURAL number is an integer every natural number is a real number every real number is a rational number ANSWER :D

Discussion

5241.	Find the value of a if the division of ax^(3)+9x^(2)+4x-10 by (x+3) leaves a remainder 5.
Answer» 1 2 3 4 Answer :B

Discussion

5242.	If the equation (3x)^2 + (27xx3^(1//p)-15)x + 4 = 0 has equal roots then p =
Answer» `-1` `-1/2 `1/2` 0 Answer :B

Discussion

5243.	A salesman is allowed 7.5 %commission on the sale made by him up to Rs. 12000 and additional bonus of 1.5 %on sale made over Rs 12000. If his total earning is Rs. 4185. Find the total sales made by him?
Answer» ANSWER : RS. 48500

Discussion

5244.	Find the volume and the surface area of a sphere of radius 3.5 cm.
Answer» Solution :Volume = `4/3 pi r^3` =`4/3 XX (22)/7 xx 3.5xx3.5xx3.5 = 179.66cm^3` Surface area = `4pi r^2` =`4XX(22)/7 xx3.5xx3.5 = 154 cm^2`

Discussion

5245.	What is the difference between the funds acquired by school from NGO's and internal sources?
Answer» 2 3 4 8 Answer :C

Discussion

5246.	Find the solutions of the following equations. t-9sqrtt+14=0
Answer» SOLUTION :4 and 49

Discussion

5247.	A car travelled first 36 km at 6 km/h faster then the usaul speed but it returned the same distance at 6 km/h slower than the usual speed if the total time taken by car is 8 hours for how many hours does it travelled at the faster speed?
Answer» 4 3 2 1 Answer :C

Discussion

5248.	Find the remainder when 923^(888) + 235^(222) is divided by 4.
Answer» SOLUTION :REM `(923^888+235^222)/4` =Rem.`(3^888+3^222)/4` =Rem. `(1+1)/4=2/4` THUS the remainder is 2.

Discussion

5249.	If (x)/(y) = 3/4 ,then (2x + 3y)/( 3x - 2y) = ?
Answer» `-9` 0 18 1 Answer :C

Discussion

5250.	A can run 1 km in 5 min and B can run the same distance in 6 min.How many metres start, can A give to B in 1 km race, so that the race may end in a dead heat?
Answer» ANSWER :`166 2/3 m`

Discussion

Explore topic-wise InterviewSolutions in .

Two numbers are 40% and 35% lesser than a third number. Byhow much percent is the first number to be enhanced to make it equalto the second number?

Q. sqrt3 cosec20^@-sec20^@=

Calendar for the year2008 will be the same for which of the following years ?

Find the number of factor of 80.

42 workers can reap a field in 8 days. If the work is to be completed in 7 days, the extra workers needed are:

If a five digit number 'm21 n2" is divisible by 24 then the maximum number of possible combinations of m and n.

Total wages of 3 men, 2 women and 4 boys is Rs 26. If the wages of 3 men is equal to that of 4 women and the wages of 2 women is equal to that of 3 boys, then find out the total wages of 4 men, 3 women and 2 boys.

What percent is :25 out of 160

If perimeter of an isoceles right angled Delta is P . Then find the area of this triangle .

The product of any two integers is 25, then the minimum possible sum is :

Sum of infinite series 1/(1*4)+1/(4*7)+1/(7*10)+......oo is

A shopkeeper buys 100 eggs at ₹ 1.20 per piece. Unfortunately 4 eggs got spoiled during transportation. The shopkeeper sells the remaining eggs at ₹ 15 a dozen. Find his profit or loss.

If company has hired 12 more people, who can do any of the three jobs, then maximum how many books can be prepared in each day?

The smallest number must be added to 1780 to make it a perfect square is :

If f(x)=x, g(x)=sqrt(x^2) and h(x)=x^2/x, then the set of values for which the given functions f(x), g(x) and h(x) are identical is :

Fourdice arethrownsimultaneously. Findthe probabilitythat : twoof themshowthe samefaceandremainingtwoshowthe differentthefaces .

ABCD is a parallelogram, angleDAB=30^(@) BC = 20 cm and AB = 40cm. Find the area of parallelogram :

If xAy means x+y, xSy means x-y, xMy means (x)xxy and xDy means xdivy. Then the value of 4D2S3M6A12 is :

Out of the five intergral number C is the average of A and D.B is greater than C and less than D. Also, B is the average of A and E. The middle most number in the sequence is :

Four pipe A, B, C and D can fill a cistern in 20, 25, 40 and 50 hours respectively. The first pipe A was opened at 6:00 am, B at 8:00 am, C at 9:00 am and D at 10:00 am. When will the cistern be full ?

(3^(25)+3^(26)+3^(27)+3^(28))is divisible by11(b) 16 (c) 25 (d) 30

A man takes 4 h 20 minutes in walking to a certain place and riding back. If he walk on both sides he loses 1 h. The time he would take by riding both ways is :

Find the quadratic equation whose roots are sqrt3 and 2sqrt3 :

If cosectheta-sintheta=landsectheta-costheta=m, then l^(2)m^(2)(l^(2)+m^(2)+3)=?

The surface area of a spherical part of a hemispherical bowl with a flat circular detachable cover, excluding the cover, is 1232 sq cm. The area of the cover is 78.5 sq cm. What is the volume of the bowl?

Giventhatthe sumof two- negativequantiesis 200, theprobabilitythattheirproductis notlessthan 3/4timestheirgreatestproductvalueis :

Around a square table chairs are arranged in a sequence starting from one corner, numbered as 1,2,3, ... etc. The chair number 2 is opposite the chair number 14. How many chairs are there in all?

From stations A and B,two trains start moving towards each other with the speeds of 150 km/h and130km/h,respectively.When the two trains meet each other,it is found that one train covers 20 km more than that of another train. Find the distance between stations A and B.

Find the value of sqrt((1-sintheta)/(1+sintheta))+sqrt((1+sintheta)/(1-sintheta)).

Alloy A contains 40% gold and 60% silver. Alloy B contains 35% gold and 40% silver and 25% copper. Alloys A and Bare mixed in the ratio of 1:4 .What is the ratio of gold and silver in the newly formed alloy is?

If (4x^2-3y^2):(2x^2+5y^2)=12:19 then x:y=

The number of zeros at the end of 100!, is

Find ratio of Area of ABC and area of PQR

If one root is 3-sqrt5 and the other root is 3+sqrt5, find the possible sum of coefficients ofx^2 and x.

Which one of the following statements is not correct :

Find the value of a if the division of ax^(3)+9x^(2)+4x-10 by (x+3) leaves a remainder 5.

If the equation (3x)^2 + (27xx3^(1//p)-15)x + 4 = 0 has equal roots then p =

A salesman is allowed 7.5 %commission on the sale made by him up to Rs. 12000 and additional bonus of 1.5 %on sale made over Rs 12000. If his total earning is Rs. 4185. Find the total sales made by him?

Find the volume and the surface area of a sphere of radius 3.5 cm.

What is the difference between the funds acquired by school from NGO's and internal sources?

Find the solutions of the following equations. t-9sqrtt+14=0

A car travelled first 36 km at 6 km/h faster then the usaul speed but it returned the same distance at 6 km/h slower than the usual speed if the total time taken by car is 8 hours for how many hours does it travelled at the faster speed?

Find the remainder when 923^(888) + 235^(222) is divided by 4.

If (x)/(y) = 3/4 ,then (2x + 3y)/( 3x - 2y) = ?

A can run 1 km in 5 min and B can run the same distance in 6 min.How many metres start, can A give to B in 1 km race, so that the race may end in a dead heat?

Sum of infinite series 1/(14)+1/(47)+1/(7*10)+......oo is