8677 + Interview Questions in Maths in Class 14 Page 74 InterviewSolution

3651.	At the beginning of a year, the owner of a jewel shop raised the price of all the jewels in his shop by x %and lowered them by x %. The price of one jewel after this up and down cycle reduced by Rs. 100. The owner carried out the same procedure after a month. After this second up-down cycle, the price of that jewel was Rs. 2304. Find the original price of that jewel (in Rs.)
Answer» ANSWER :2500

Discussion

3652.	A conical vessel whose internal radius is 12 cm and height 50 cm is full of liquid. The contents are with radius (internal) 10cm. The height to which the liquid rises in the cylindrical vessel is :
Answer» 25 cm 20cm 24cm 22cm Answer :C

Discussion

3653.	There are 10 questions in a question paper. In how many ways, a student can solve these questions, if he solves one or more questions?
Answer» 1024 1025 1023 1000 Answer :C

Discussion

3654.	If all C'_s occur together and all U'_s also occur together, then how many arrangements are possible of the SUCCESSFUL?
Answer» 5745 2760 6720 5432 Answer :C

Discussion

3655.	The volume and heigh of a right circular cone are 1232cm^(3) and 24 cm respectively , the area of its curved surface( incm^(2)) is :
Answer» 1100 225 616 550 Answer :D

Discussion

3656.	If the diagonals of a quadrilateral are equal and bisect each other at right angles, then the quadrilateral is a
Answer» REACTANGLE SQUARE RHOMBUS trapezium Answer :B

Discussion

3657.	HCF and LCM of two numbers are 7 and 140 respectively. If the numbers are between 20 and 45, the sum of the numbers, is :
Answer» 70 77 63 56 Answer :C

Discussion

3658.	If log 2 = 0.3010, the number of digits in 5^(20) is:
Answer» 16 14 8 none of these Answer :B

Discussion

3659.	A teacher gave sum to his class to find the average of n numbers viz. 1,2,3,4,5,6,… etc. but when the teacher checked the solution, he has found that during the calculation a student just missed a number for the addition thus his average of the n number was 15. The value of n is :
Answer» 30 26 31 not unique Answer :D

Discussion

3660.	There is a circle of AB diameter equal to 14 cm . There is a point p on circumference such thatchord PB = 12 . PN bot ABfind BN
Answer» Answer :` X = 10 (2)/(7) cm`

Discussion

3661.	Find the reflection of a point (3,-4) in y Axis
Answer» ANSWER :`(##AMC_SSC_MAT_C23_SLV_031_A01##)`

Discussion

3662.	A sum of money is borrowed back in two annual installments of Rs. 338 each allowing 8(1)/(3)%compound interest. The sum borrowed was :
Answer» ANSWER :RS. 600

Discussion

3663.	If [.] denotes the greatest integer less than or equal to x and (.) denotes the least integer greater than or equal to x, then domain of the function f(x)=sin^(-1){x+[x]+(x)} is
Answer» 80 `-80` 72 none of these ANSWER :D

Discussion

3664.	If[x] read as the greatest ingeger less than or equal to x, {x} is the least integer greater than interger less than or equal to x, {x} is the least interger greater than or equal to x. Further, f(x, y) = [x] + {y} and g(x, y) = {x}- {y} and P (x,y) = f(x , y) +g(x,y) and Q (x,y) = f(x,y) -g(x,y) If x = 16 and y = 25 then the value of P(x, y) + Q(x,y) is:
Answer» 90 200 can't be DETERMINED NONE of these ANSWER :D

Discussion

3665.	Four milkmen rented a pasture. M put to graze 16 cows for 3 months and N 42 cows for 4 months, O 18 cows for 6 months and P 42 cows for 2 months. If M's share of rent be Rs. 2400, the rent paid by O is.-
Answer» ANSWER :RS. 5400

Discussion

3666.	A running man crosses a bridge of length 500 meters in 4 minutes. At what speed he is running?
Answer» 8.5 km/hr 7.5 km/hr 9.5 km/hr 6.5 km/hr Answer :D

Discussion

3667.	A dice is rolled three times and sum of three numbers appearing on the uppermost face is 15. The chance that the first roll was four is
Answer» `2//5` `1//5` `1//6` NONE of these ANSWER :D

Discussion

3668.	If x=cos10^(@)cos20^(@)cos40^(@), then x = ?
Answer» `(1)/(4)tan10^(@)` `(1)/(8)tan10^(@)` `(1)/(4)cot10^(@)` `(1)/(8)cot10^(@)` ANSWER :A::C

Discussion

3669.	The weight of a person on earth is 600 N. His weight on moon will appear as
Answer» 6 12 18 15 Answer :B

Discussion

3670.	Solve the following system of equations : (2x)/(a)+(y)/(b)=2, (x)/(a)-(y)/(b)=4:
Answer» 2/a,2/B 2A-2b (-2a),2b a/2,(-b/2) ANSWER :B

Discussion

3671.	The ratio of milk and water in a mixture of 80 ltis 9:7 .We added 121/2it milk to the mixture , then find the ratio of milk and water .
Answer» `23:14` `30:1` `21:29` `5:7` ANSWER :A::B

Discussion

3672.	The circumference of the circle is 176m. Then the area of the circle is:-
Answer» a. 2464m^2 b. 2164m^2 C. 2346m^2 d. 2246m^2 Answer :C

Discussion

3673.	If 2 men or 3 women or 4 boys can do a piece of work in 52 days, then the same piece of work will be done by 1 man, 1 woman and 1 boy in :
Answer» 48 days 36 days 45 days none of these Answer :A

Discussion

3674.	685.005 + 5 - sqrt? = 16.99xx6.01
Answer» a. 62.5 B. 12.25 c. 24 d. 84.1 Answer :B

Discussion

3675.	ABCD is a rhombus, AB is extended to F and BA to E such that AB = AE = BF then what is the result?
Answer» `ED^2 + CF^2 = EF^2` `ED//CF` `ED GT CF` `ED 1 CF` ANSWER :D

Discussion

3676.	A typist while typing the numbers from 600 to799 mistakenly he typed 8 every time in place of 6. So the total number of times he has typed 8 is :
Answer» A. 300 B. 230 C. 180 D. NONE of these ANSWER :C

Discussion

3677.	The set of natural numbers is closed under the binary operations of :
Answer» ADDITION, SUBTACTION, MULTIPLICATION and division addition, subtaction, multiplication but not division addition and multiplication but not subtaction and division addition and SUBTRACTION but not multiplication and division Answer :A

Discussion

3678.	125 identical cubesare cut froma big cube and all the smaller cubesare arranged in a row to form along cuboid . What is the percentage increasein the total surface area of the cuboid over the total surface area of the cube ?
Answer» `234 (2)/(3)%` `235(1)/(3)%` `134(2)/(3)%` NONE of these ANSWER :A

Discussion

3679.	A coin is tossed twice and the four possible outcomes are assumed to beequally likely. If A is the event, both head and tail have appeared, and B bethe event, at most one tail is observed, find P(A),\ P(B),\ P(A//B)\ a n d\ P(B//A)dot
Answer» `2/3 ,1` `1/3,2/3` `1,2/3` NONE of these Answer :A

Discussion

3680.	In the following figure , the area in (cm^(2)) is :
Answer» 115.5 228.5 154 none of the above ANSWER :A

Discussion

3681.	A, B and C can do a work in 25, 40 and 60 days respectively. All three start the work together and work for 5 days then A left and B left 10 days before the completion of work, how much time shall be taken to do whole work?
Answer» ANSWER :`25(1)/(5)` DAYS

Discussion

3682.	If the percentage production of P type cars in 2013 was the same as that in 2012, then the number of P type cars produced in 2013 would have been
Answer» a.140000 b.132000 c.117000 d.105000

Discussion

3683.	A big cube is formed by rearranging the 160 coloured and 56 non-coloured similar cubes in such a way that the exposure of the coloured cubes to the outside is minimum. The precentage of exposed area that is coloured is :
Answer» `25.9%` `44.44%` `35%` NONE of these Answer :B

Discussion

3684.	A person bought 4 articles for Rs 15 and sold 6 articles for 25 Rs over all he gains Rs 25. Find the number of articles he bought?
Answer» ANSWER :60

Discussion

3685.	A trader earns 20% profit even after allowing 30% discount to his customers. Minimum how much per cent does his balance weigh less than what it should weigh?
Answer» 41.67 55.55 16.67 56 Answer :A

Discussion

3686.	Find the number of unique Prime factors of 600.
Answer» Solution :`600 2xx2xx2xx3xx5xx5 = 2^3xx3^1xx5^2` Therefore the TOTAL NUMBER of PRIME factors of 600 = 3 + 1 + 2 = 6

Discussion

3687.	The ratio of speed at which Anil and Mukesh walk is 3:4 .Anil takes 30 minutes more then the time taken by Mukesh in reaching the destination.What is the total distance travelled by each of them if the average of speeds of Anil and Mukesh is 28 km/h?
Answer» 48 km 60 km 17 km 70 km Answer :A

Discussion

3688.	The ratio of speed at which Anil and Mukesh walk is 3:4 .Anil takes 30 minutes more then the time taken by Mukesh in reaching the destination.If Anil drives the car at twice the speed of his walking then the time required to reach his destination by car is:
Answer» 45 min 60 min 1.5 H 1 h 20 min Answer :B

Discussion

3689.	If( m + 1) = sqrt( n) + 3the value of(1)/(2) (( m^(3) - 6 m^(2) + 1 2m - 8)/( sqrt(n))- n ) is
Answer» 0 1 2 3 Answer :A

Discussion

3690.	If tantheta=(xsinphi)/(1-xcosphi)&tanphi=(ysintheta)/(1-ycostheta), then (x)/(y)=?
Answer» `(SINTHETA)/(sinphi)` `(sinphi)/(sintheta)` `(sinphi)/(1-costheta)` `(sintheta)/(1-cosphi)` ANSWER :A

Discussion

3691.	A vertical stick 12 m long casts a shadow 8 m long on the ground. At the same time, a tower casts a shadow of 40 m long on the ground. The height of the tower is
Answer» 60 m 65 m 70 m 72 m Answer :A

Discussion

3692.	A person starts walking from A towards B at 6 am and reaches at 10 am. Another person from B starts walking towards A at 8 am and reaches at 11:30 am. Find the time at which they will meet each other.
Answer» ANSWER :` 8:56 am `

Discussion

3693.	What is the valueof((1 + x)/(1 - x^(4)))/(( x^(2))/( 1 + x^(2))) xx x ( 1 - x) ?
Answer» `(1)/(X)` `x^(2)-1` `x+1` `x` ANSWER :A

Discussion

3694.	121% of 5103 = ?
Answer» ANSWER :A

Discussion

3695.	BL and CN are the two medians of the DeltaABC where angleA=90^(@). If BC=5cm,BL=(3sqrt5)/(2)cm then find the value of CN.
Answer» `3sqrt5` `SQRT5` `2SQRT5` `5SQRT3` Answer :C

Discussion

3696.	If a number 6784329x145 is divisible by 11, then find the value of x.
Answer» 3 4 5 7 Answer :B

Discussion

3697.	If sinA+cosecA=3, then find the value of (sin^(4)A+1)/(sin^(2)A).
Answer» 1 0 7 11

Discussion

3698.	Two whole numbers, whose sum is 64, can not be in the ratio:
Answer» 0.046527777777778 0.12847222222222 0.21597222222222 0.043055555555556 Answer :B

Discussion

3699.	If a/b = c/d =e/f = 4, then (m ^(2) a + n^(2) c + p ^(2) e )/( m ^(2) b + n ^(2) d + p ^(2) f )=?
Answer» 1 4 8 16 Answer :B

Discussion

3700.	A shopkeeper marks his goods 40% above the cost price. He allows a discount of 5% for cash payment to his customers. He receives Rs. 1064 after paying the discount. His profit is
Answer» RS 264 Rs 164 Rs 200 Rs 800 Answer :A

Discussion

Explore topic-wise InterviewSolutions in .

A conical vessel whose internal radius is 12 cm and height 50 cm is full of liquid. The contents are with radius (internal) 10cm. The height to which the liquid rises in the cylindrical vessel is :

There are 10 questions in a question paper. In how many ways, a student can solve these questions, if he solves one or more questions?

If all C'_s occur together and all U'_s also occur together, then how many arrangements are possible of the SUCCESSFUL?

The volume and heigh of a right circular cone are 1232cm^(3) and 24 cm respectively , the area of its curved surface( incm^(2)) is :

If the diagonals of a quadrilateral are equal and bisect each other at right angles, then the quadrilateral is a

HCF and LCM of two numbers are 7 and 140 respectively. If the numbers are between 20 and 45, the sum of the numbers, is :

If log 2 = 0.3010, the number of digits in 5^(20) is:

A teacher gave sum to his class to find the average of n numbers viz. 1,2,3,4,5,6,… etc. but when the teacher checked the solution, he has found that during the calculation a student just missed a number for the addition thus his average of the n number was 15. The value of n is :

There is a circle of AB diameter equal to 14 cm . There is a point p on circumference such thatchord PB = 12 . PN bot ABfind BN

Find the reflection of a point (3,-4) in y Axis

A sum of money is borrowed back in two annual installments of Rs. 338 each allowing 8(1)/(3)%compound interest. The sum borrowed was :

If [.] denotes the greatest integer less than or equal to x and (.) denotes the least integer greater than or equal to x, then domain of the function f(x)=sin^(-1){x+[x]+(x)} is

Four milkmen rented a pasture. M put to graze 16 cows for 3 months and N 42 cows for 4 months, O 18 cows for 6 months and P 42 cows for 2 months. If M's share of rent be Rs. 2400, the rent paid by O is.-

A running man crosses a bridge of length 500 meters in 4 minutes. At what speed he is running?

A dice is rolled three times and sum of three numbers appearing on the uppermost face is 15. The chance that the first roll was four is

If x=cos10^(@)cos20^(@)cos40^(@), then x = ?

The weight of a person on earth is 600 N. His weight on moon will appear as

Solve the following system of equations : (2x)/(a)+(y)/(b)=2, (x)/(a)-(y)/(b)=4:

The ratio of milk and water in a mixture of 80 ltis 9:7 .We added 121/2it milk to the mixture , then find the ratio of milk and water .

The circumference of the circle is 176m. Then the area of the circle is:-

If 2 men or 3 women or 4 boys can do a piece of work in 52 days, then the same piece of work will be done by 1 man, 1 woman and 1 boy in :

685.005 + 5 - sqrt? = 16.99xx6.01

ABCD is a rhombus, AB is extended to F and BA to E such that AB = AE = BF then what is the result?

A typist while typing the numbers from 600 to799 mistakenly he typed 8 every time in place of 6. So the total number of times he has typed 8 is :

The set of natural numbers is closed under the binary operations of :

125 identical cubesare cut froma big cube and all the smaller cubesare arranged in a row to form along cuboid . What is the percentage increasein the total surface area of the cuboid over the total surface area of the cube ?

A coin is tossed twice and the four possible outcomes are assumed to beequally likely. If A is the event, both head and tail have appeared, and B bethe event, at most one tail is observed, find P(A),\ P(B),\ P(A//B)\ a n d\ P(B//A)dot

In the following figure , the area in (cm^(2)) is :

A, B and C can do a work in 25, 40 and 60 days respectively. All three start the work together and work for 5 days then A left and B left 10 days before the completion of work, how much time shall be taken to do whole work?

If the percentage production of P type cars in 2013 was the same as that in 2012, then the number of P type cars produced in 2013 would have been

A big cube is formed by rearranging the 160 coloured and 56 non-coloured similar cubes in such a way that the exposure of the coloured cubes to the outside is minimum. The precentage of exposed area that is coloured is :

A person bought 4 articles for Rs 15 and sold 6 articles for 25 Rs over all he gains Rs 25. Find the number of articles he bought?

A trader earns 20% profit even after allowing 30% discount to his customers. Minimum how much per cent does his balance weigh less than what it should weigh?

Find the number of unique Prime factors of 600.

The ratio of speed at which Anil and Mukesh walk is 3:4 .Anil takes 30 minutes more then the time taken by Mukesh in reaching the destination.What is the total distance travelled by each of them if the average of speeds of Anil and Mukesh is 28 km/h?

The ratio of speed at which Anil and Mukesh walk is 3:4 .Anil takes 30 minutes more then the time taken by Mukesh in reaching the destination.If Anil drives the car at twice the speed of his walking then the time required to reach his destination by car is:

If( m + 1) = sqrt( n) + 3the value of(1)/(2) (( m^(3) - 6 m^(2) + 1 2m - 8)/( sqrt(n))- n ) is

If tantheta=(xsinphi)/(1-xcosphi)&tanphi=(ysintheta)/(1-ycostheta), then (x)/(y)=?

A vertical stick 12 m long casts a shadow 8 m long on the ground. At the same time, a tower casts a shadow of 40 m long on the ground. The height of the tower is

A person starts walking from A towards B at 6 am and reaches at 10 am. Another person from B starts walking towards A at 8 am and reaches at 11:30 am. Find the time at which they will meet each other.

What is the valueof((1 + x)/(1 - x^(4)))/(( x^(2))/( 1 + x^(2))) xx x ( 1 - x) ?

121% of 5103 = ?

BL and CN are the two medians of the DeltaABC where angleA=90^(@). If BC=5cm,BL=(3sqrt5)/(2)cm then find the value of CN.

If a number 6784329x145 is divisible by 11, then find the value of x.

If sinA+cosecA=3, then find the value of (sin^(4)A+1)/(sin^(2)A).

Two whole numbers, whose sum is 64, can not be in the ratio:

If a/b = c/d =e/f = 4, then (m ^(2) a + n^(2) c + p ^(2) e )/( m ^(2) b + n ^(2) d + p ^(2) f )=?

A shopkeeper marks his goods 40% above the cost price. He allows a discount of 5% for cash payment to his customers. He receives Rs. 1064 after paying the discount. His profit is