8677 + Interview Questions in Maths in Class 14 Page 93 InterviewSolution

4601.	The product of the digits of a three digit number which is perfect square as well as a perfect cube is :
Answer» 126 256 18 none of these Answer :A

Discussion

4602.	A,B,C and D are 4 points on the circumferenceof the circleand O is the centre of circle angle OBD - angle CBD = angle BDC - angle ODB find angle A
Answer» ANSWER :`X = 60^(@)`

Discussion

4603.	Solve the following questions on the basis of the following questions on the basis of following functions (a) P_((n+1))=P_((n))-P_((n-1)),P is the term of the sequence and P_((0))=0, P_((1))=1 (b) Q_((n+1))=Q_((n))+Q_((n+1)),Q is the term of the sequence and Q_((0))=0, Q_((1))=1 The value of Q_((n-1))+Q_((n+1))+L_((n-1))+L_((n+1)) cannot be :
Answer» 30 75 18 122 Answer :B

Discussion

4604.	The sum of 3 consecutive even numbers is always divisible by :
Answer» 24 48 10 none of these Answer :D

Discussion

4605.	There is a 800 gram mixture of water, spirit and alcohol and their quantity is 20%, 30% and 50%respectively. 40% of the spirit is evaporated and 80 gram of alcohol is added. If quantity of water is increased by 50% , then find out the quantity of spirit in new mixture.
Answer» ANSWER :`16(2)/(3)%`

Discussion

4606.	An equilateral triangle ABC is inscribed in a circle and a chord AD is connected to two other chords BD and CD, whereas point D is on the arc BD. If the side of the triangle is 30 cm and the chord AD is 32 cm, find BD+CD
Answer» 31 cm 32 cm 225/8 cm 256/15 cm Answer :B

Discussion

4607.	Answer the questions based on the following information, which gives data certain butter producer companies in India. What per cent of the total market share (by sales value) is controlled by others ?
Answer» `32%` `83%` `67%` DATA insufficient Answer :A

Discussion

4608.	The value of the expressionx^(4)-17x^(3)+17x^(2)-17x+17 at x=16 is :
Answer» 0 1 33 15 Answer :B

Discussion

4609.	If A= log_(13) 189 and B = log_(23)521, then which one of the following is correct?
Answer» `ALTB` A=B `AGTB` NONE of these Answer :C

Discussion

4610.	If the average of three consecutive even numbers is 34, find the largest of these numbers.
Answer» 36 34 32 30 Answer :B

Discussion

4611.	How long will a boy take to run round a square field of side 35 meters, If he runs at the rate of 9 km/hr?
Answer» A) 50 sec B) 52 sec C) 54 sec D) 56 sec Answer :D

Discussion

4612.	A milkman always purchases milk from a dairy wherein the farmer mixes up 1 litre of freely available water with every 9 litre of pure milk in such a way that the milkman is not able to identify the impurity. Now''1iie milkman adds up 2 litres of freely available water to every 10 litres of milk purchased from the dairy and then he sells to his customers at the cost price. what is the profit or loss percentage earned/accrued by the milkman in this trading?
Answer» 8 12 20 33.33 Answer :C

Discussion

4613.	Simplified value of 6-[5/6+{3 7/8-2 1/3+1 7/9}] is:
Answer» `3 9/13` `1 61/72` `2 11/72` `1 51/71` ANSWER :D

Discussion

4614.	When 60 - [30 -{35 -(15-x)}] = 60, then x is equal to
Answer» 29 35 -19 10 Answer :D

Discussion

4615.	Answer these questions based on the following information. There are 2 white candles, 3 red candles, 4 green candles and 3 yellow candles in a brand new packet. All the candles are uniform in shape and size, except their colour, as told above. Find the number of ways of selecting 1 white, 2 red, 3 green and 22 yellow candles.
Answer» (A) 0 (B) 1 (C) 2 (D) 10 Answer :B

Discussion

4616.	If 40% of an amount is 250, what will be 60% of that amount?
Answer» 400 375 320 300 Answer :B

Discussion

4617.	Answer these questions based on the following information. There are 2 white candles, 3 red candles, 4 green candles and 3 yellow candles in a brand new packet. All the candles are uniform in shape and size, except their colour, as told above. Find the number of ways of selecting 4 candles.
Answer» 0 1 2 10 Answer :B

Discussion

4618.	The ratio between the speeds of a bus and car is 8:6. If the car travels 200 km in 2 hours, find the speed of the bus.
Answer» 137.3 km/hr 135.3 km/hr 133.3 km/hr 131.3 km/hr Answer :A

Discussion

4619.	If 30 % of 1520 + 40 % of 800 = x % of 5000, find the value of x.
Answer» 18.82% 12.22% 15.52% 14.42% ANSWER :A

Discussion

4620.	When a producer allows 36% commission on the retail price of his product, he earns a profit of 8.8%. What would be his profit percent, if the commission is reduced to 25%
Answer» ANSWER :`27.5%`

Discussion

4621.	40 men complete one-third of a work in 40 days. How many more men should be employed to finish the rest of the work in 50 more days ?
Answer» 12 20 18 24 Answer :D

Discussion

4622.	In which of the following years was the number of canditates qualified from Chennai, maximum among the given years ?
Answer» 2007 2006 2005 2003 Answer :A

Discussion

4623.	Arun took part in a triathlon an athletic event .He had to swim run and bicycle to 10 km ,24 km and 30 km respectively and return the same way Arun's average speed for the triathelon is 4 km/min He took a total of 4 min for swimming and 20 min for bicycling in the triathelon.His speed of running is:
Answer» 5km/min 6km/min 7.5km/min 8//3km/min Answer :B

Discussion

4624.	If 2 men and 3 boys can do a work in 10 days, 4 men can do a work in 10 days, in how many days 3 men and 3 boys can do same work?
Answer» ANSWER :8

Discussion

4625.	Arun took part in a triathlon an athletic event .He had to swim ,run and bicycle to 10 km ,24 km and 30 km respectively and return the same way Arun's average speed for the triathelon is 4 km/min He took a total of 4 min for swimming and 20 min for bicycling in the triathelon.He finishes race in:
Answer» a.16 min b.23 min C.8 min d.35 min Answer :C

Discussion

4626.	Arun took part in a triathlon an athletic event .He had to swim run and bicycle to 10 km ,24 km and 30 km respectively and return the same way Arun's average speed for the triathelon is 4 km/h He took a total of 4 min for swimming and 20 min for bicycling in the triathelon.How much time he took while returning for the bicycle if the time taken for the return of each phase (i.e,each event)is 50% greater than that of taken initially:
Answer» 12 min 11 min 11(1//9)min none of these Answer :B

Discussion

4627.	A certain sum amounts to Rs. 14641 in 4 years @ 10% p.a compounded annually. What is the value of principal ?
Answer» ₹6000 ₹12000 ₹10000 data INSUFFICIENT ANSWER :A

Discussion

4628.	If 2ycos theta =x sin theta and 2x sectheta -y "cosec"theta =3, then the relation between x and y is:
Answer» `2x^(2)+y^(2)=2` `X^(2)+4y^(2)=4` `x^(2)+4y^(2)=1` `4X^(2)+y^(2)=4` Answer :B

Discussion

4629.	1/(1+x^(b-a)+x^(c-a))+1/(1+x^(a-b)+x^(c-b))+1/(1+x^(a-c)+x^(b-c)) equals
Answer» 0 `X^(ABC)` 1 `x^(a+b+C)` ANSWER :C

Discussion

4630.	How many natural numbers upto 990 are divisible by 5 & 9 both, but not by 7?
Answer» A)18 B)19 C)22 D)none of a,b,c Answer :B

Discussion

4631.	If a^2+b^2+c^2+d^2 = 1, then the maximum value of a.bc.d is :
Answer» A)1 B)2 C)1/16 D)DATA insufficient Answer :C

Discussion

4632.	Equation ax^(2)+2x+1 has one double root if :
Answer» a=0 a=-1 a=1 a=2 Answer :C

Discussion

4633.	In the following figure quadrilaterals ABCD and APQC are concyclic ones. If AB and CD are two parallel lines, then PBDQ is necessarily.
Answer» a square a rectangle a parallelogram none of these Answer :C

Discussion

4634.	Each interior angle of a regular polygon exceeds its exterior angle by 132^(@). How many sides does the polygon have ?
Answer» 9 15 12 none of these Answer :B

Discussion

4635.	A tank has two inlet pipes which can fill the empty tank in 12 hours and 15 hours working alone and one outlet pipe which can empty the full tank in 8 hours working alone. The inlet pipes are kept open for all the time but the outlet pipe was opened after 2 hours for one hour and then again closed for 2 hours then once again opened for one hour. This pattern of outlet pipe continued till the tank got completely filled. In how many hours the tank has been filled, working on the given pattern?
Answer» 8 HOURS 24 minutes 10 hours 15 minutes 9 hours 10 minutes 9 hours 6 minutes Answer :C

Discussion

4636.	Find the area of a trapezium ABCD in which AB \|\| DC, AB = 26cm, BC = 25cm, CD = 40cm and DA = 25cm.
Answer» `648cm^(2)` `792cm^(2)` `660CM^(2)` `798cm^(2)` ANSWER :B

Discussion

4637.	In the following figure, if PQ \|\| RS, angle MXQ=135^(@) and angle MYR=40^(@). Findangle XMY.
Answer» ANSWER :85

Discussion

4638.	Two persons start walking together towards each other from A and B, who are 60 km apart. They met after 5 hours. After their meeting, the first person, who traveled from A to B, reduced his speed by 1.5 km/h. Another person, who traveled from B to A, increased his speed by 1.5 km/h. The one who reaches B (the first person) reaches two and a half hours before the person who reaches A (the second person) then find the initial speed of the first person.
Answer» ANSWER :7.5 km/h

Discussion

4639.	Find the degree measure of the angle subtended at the centre of a circle of radius 100 cm by an arc of length 22 cm. (Use π= 22/7)
Answer» ANSWER :A

Discussion

4640.	A man buys two chairs for a total cost of Rs 900. By selling one for (4)/(5) of its cost and the other for (5)/(4) of its cost, he makes a profit of Rs 90 on the whole transtransaction. The cost of the lower priced chair is.
Answer» RS. 360 Rs. 400 Rs. 420 Rs. 300 Answer :D

Discussion

4641.	When P litre oil is poured into a vessel, the vessel remains K%empty. How many litres do we need to pour in the vessel so that the vessel is full. Also find out the total capacity of the vessel.
Answer» ANSWER :`(PK)/(100-K),(100P)/(100-K)`

Discussion

4642.	Ravi went to Kanpur from Lucknow by his four wheeler. During the journey he had to use the spare when (stepney). Thus he finished his 160 km journey. The average distance covered by the wheels of his car is :
Answer» (A) 40 KM (B) 120 km (C) 128 km (D) 48 km Answer :C

Discussion

4643.	If tan^(5)thetatan^(5)5theta=1, then find the value of tan^(4)3theta.
Answer» 5 `-1` 1 3 Answer :C

Discussion

4644.	10 litre. of a mixture A of Castrol oil and petrol containing 64% petrol, is added to 5 litre of a mixture B ofCastrol oil and petrol, containing 55% petrol, to get a mixture M. Then, 30 litre of a mixture C containing 12% castrol oil is added to M. What is the percentage content of oil in the final mixture?
Answer» ANSWER :0.21

Discussion

4645.	An integer n is called square free if does not have divisor of the form k^2 where k in {2,3 ... ,n}. Find the number of square free integers between 1 and 120
Answer» 45 60 75 none of these Answer :C

Discussion

4646.	An article is sold at 25% profit. If its CP and SP are more by Rs 20 and Rs 4 respectively, the percentage of profit decreases by 15%. Find the cost price.
Answer» ANSWER :RS. 120

Discussion

4647.	If the sum of length of diagonal of a rhombus is sectheta, and perimeter is 2tantheta. Find the area of rhombus.
Answer» ANSWER :`1/4`

Discussion

4648.	In the given fig. AB\|\\|CD. Find the value of x.
Answer» ANSWER :140

Discussion

4649.	If a, b, c all positive and not euqal, then the value of ((a+b+c)(ab+bc+ca))/(abc) is :
Answer» LESS than 9 greater than 9 less than or EQUAL to 9 can't be determined Answer :B

Discussion

4650.	In a 200 m race, A can beat B by 50 m and B can beat C by 8m . In the same race ,A can beat C by what distance?
Answer» 60 M 72 m 56 m 66 m Answer :C

Discussion

Explore topic-wise InterviewSolutions in .

The product of the digits of a three digit number which is perfect square as well as a perfect cube is :

A,B,C and D are 4 points on the circumferenceof the circleand O is the centre of circle angle OBD - angle CBD = angle BDC - angle ODB find angle A

The sum of 3 consecutive even numbers is always divisible by :

There is a 800 gram mixture of water, spirit and alcohol and their quantity is 20%, 30% and 50%respectively. 40% of the spirit is evaporated and 80 gram of alcohol is added. If quantity of water is increased by 50% , then find out the quantity of spirit in new mixture.

An equilateral triangle ABC is inscribed in a circle and a chord AD is connected to two other chords BD and CD, whereas point D is on the arc BD. If the side of the triangle is 30 cm and the chord AD is 32 cm, find BD+CD

Answer the questions based on the following information, which gives data certain butter producer companies in India. What per cent of the total market share (by sales value) is controlled by others ?

The value of the expressionx^(4)-17x^(3)+17x^(2)-17x+17 at x=16 is :

If A= log_(13) 189 and B = log_(23)521, then which one of the following is correct?

If the average of three consecutive even numbers is 34, find the largest of these numbers.

How long will a boy take to run round a square field of side 35 meters, If he runs at the rate of 9 km/hr?

Simplified value of 6-[5/6+{3 7/8-2 1/3+1 7/9}] is:

When 60 - [30 -{35 -(15-x)}] = 60, then x is equal to

If 40% of an amount is 250, what will be 60% of that amount?

Answer these questions based on the following information. There are 2 white candles, 3 red candles, 4 green candles and 3 yellow candles in a brand new packet. All the candles are uniform in shape and size, except their colour, as told above. Find the number of ways of selecting 4 candles.

The ratio between the speeds of a bus and car is 8:6. If the car travels 200 km in 2 hours, find the speed of the bus.

If 30 % of 1520 + 40 % of 800 = x % of 5000, find the value of x.

When a producer allows 36% commission on the retail price of his product, he earns a profit of 8.8%. What would be his profit percent, if the commission is reduced to 25%

40 men complete one-third of a work in 40 days. How many more men should be employed to finish the rest of the work in 50 more days ?

In which of the following years was the number of canditates qualified from Chennai, maximum among the given years ?

If 2 men and 3 boys can do a work in 10 days, 4 men can do a work in 10 days, in how many days 3 men and 3 boys can do same work?

Arun took part in a triathlon an athletic event .He had to swim ,run and bicycle to 10 km ,24 km and 30 km respectively and return the same way Arun's average speed for the triathelon is 4 km/min He took a total of 4 min for swimming and 20 min for bicycling in the triathelon.He finishes race in:

A certain sum amounts to Rs. 14641 in 4 years @ 10% p.a compounded annually. What is the value of principal ?

If 2ycos theta =x sin theta and 2x sectheta -y "cosec"theta =3, then the relation between x and y is:

1/(1+x^(b-a)+x^(c-a))+1/(1+x^(a-b)+x^(c-b))+1/(1+x^(a-c)+x^(b-c)) equals

How many natural numbers upto 990 are divisible by 5 & 9 both, but not by 7?

If a^2+b^2+c^2+d^2 = 1, then the maximum value of a.bc.d is :

Equation ax^(2)+2x+1 has one double root if :

In the following figure quadrilaterals ABCD and APQC are concyclic ones. If AB and CD are two parallel lines, then PBDQ is necessarily.

Each interior angle of a regular polygon exceeds its exterior angle by 132^(@). How many sides does the polygon have ?

Find the area of a trapezium ABCD in which AB || DC, AB = 26cm, BC = 25cm, CD = 40cm and DA = 25cm.

In the following figure, if PQ || RS, angle MXQ=135^(@) and angle MYR=40^(@). Findangle XMY.

Find the degree measure of the angle subtended at the centre of a circle of radius 100 cm by an arc of length 22 cm. (Use π= 22/7)

A man buys two chairs for a total cost of Rs 900. By selling one for (4)/(5) of its cost and the other for (5)/(4) of its cost, he makes a profit of Rs 90 on the whole transtransaction. The cost of the lower priced chair is.

When P litre oil is poured into a vessel, the vessel remains K%empty. How many litres do we need to pour in the vessel so that the vessel is full. Also find out the total capacity of the vessel.

Ravi went to Kanpur from Lucknow by his four wheeler. During the journey he had to use the spare when (stepney). Thus he finished his 160 km journey. The average distance covered by the wheels of his car is :

If tan^(5)thetatan^(5)5theta=1, then find the value of tan^(4)3theta.

An integer n is called square free if does not have divisor of the form k^2 where k in {2,3 ... ,n}. Find the number of square free integers between 1 and 120

An article is sold at 25% profit. If its CP and SP are more by Rs 20 and Rs 4 respectively, the percentage of profit decreases by 15%. Find the cost price.

If the sum of length of diagonal of a rhombus is sectheta, and perimeter is 2tantheta. Find the area of rhombus.

In the given fig. AB|\|CD. Find the value of x.

If a, b, c all positive and not euqal, then the value of ((a+b+c)(ab+bc+ca))/(abc) is :

In a 200 m race, A can beat B by 50 m and B can beat C by 8m . In the same race ,A can beat C by what distance?