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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 751. |
If x+(1)/(x)=2costheta, then find the valueof x^(3)+(1)/(x^(3)). |
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Answer» `2cos3theta` |
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| 752. |
A man walking at a speed of 8 km/hr covers a certain distance in 1 hour 45 minutes. If he runs at a speed of 10 km/hr, in what time he will cover the same distance? |
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Answer» 84 minutes |
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| 753. |
A horse covers a certain distance in 40 minutes if it runs at a speed of 60 km/hr. At what speed the horse can cover the same distance in 30 minutes? |
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Answer» 86 km/hr |
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| 754. |
A car moving at a speed of 75 km/hr covers certain distance in 2 hours. If its speed is reduced by 15 km/hr, in what time it will cover the same distance? |
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Answer» 155 minutes |
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| 755. |
A shopkeeper bought a watch for Rs. 1200. At what price should he sell the watch to earn a profit of 25% ? |
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Answer» RS. 1550 |
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| 756. |
The remainder of (888^(222) + 222^(888))/(5) is : |
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Answer» 0 |
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| 757. |
Two sections of class10^(th)A and B have 30 and 35 students respectively. Average score of Maths of section A is 70 and average score of section A and B is 62. Find the average score of section B. |
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Answer» |
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| 758. |
Consider the following statements in respect of any triangle I. The three medians of a triangle divide it into six triangles of equal area. II. The perimeter of a triangle is greater than the sum of the lengths of its three medians. Which of the statements given above is/are correct ? |
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Answer» I only |
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| 759. |
If the average of m numbers is n^(2)and that of n numbers is m^(2) . Then find the average of ( m + n) numbers. |
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Answer» `(m)/(N)` |
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| 760. |
A vessel is filled with milk and water. 70% of milk and 30% of water is taken out of the vessel.It is found that the vessel is vacated by 55% and has 160 L mixture.Find the quantity of milk and water in this mixture. |
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Answer» MILK = 100 L, WATER = 60 L |
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| 761. |
A does half as much work as B in one-sixth of the time.If together they take 10 days to complete awork,how much time shall B alone take to doit? |
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Answer» |
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| 762. |
if logx/(l+m-2n)=logy/(m+n-2l)=logz/(n+l-2m) then xyz= |
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Answer» 0 |
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| 763. |
The value of ((i+ sqrt 3)/2)^100+((i-sqrt3)/2)^100 is : |
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Answer» -1 |
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| 765. |
What is the difference between C.I. and S.I. of rs.12000 on 5% p.a. for 2 years? |
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Answer» a. 35 |
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| 766. |
A group of workers was put on a job. From thesecond day onwards, one worker was withdrawn each day. The job was finished when the last worker was withdrawn. Had no worker been withdrawn at any stage, the group would have finished the job in two-third the time. How many workers were there in the group? |
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Answer» 50 |
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| 767. |
6 pumps of kirlosker can fill a tank in 7 days and 2 similar pumps of USHA can fill the same tank in 18 days. What is the ratio of the efficiency of a Kirlosker pump and a USHA pump? |
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Answer» 0.25486111111111 |
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| 768. |
Find the derivative of y(x)=x^(3)//(x+1)^(2) with respect to x . |
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Answer» Statement I is true, statement II is true,.statement n is a correct EXPLANATION for statement I |
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| 769. |
12 men or 15 women or 30 boys can do a work in 45 days. Then in how many days will 12 men, 15 women and 30 boys do the work? |
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Answer» |
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| 770. |
A,B,C तीन आदमी अपनी आय का75%, 70%, 80% खर्च करते हैं।इनकी बचत का अनुपात20: 9 : 8 है।इनकी आय का कुल योग 45000 रु.हैं। तो इनकी अलग-अलग आय बताओं ? |
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Answer» `24000,9000,12000` |
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| 771. |
Answer these questions based on the following information. A team of 8 software engineers work on a project, for an American client, in Bengaluru, India. Every team member wants to go to the client's site in USA, as many times as it's possible for them. However, as per the company's policy every member will visit the site same number of times in a year. Each team member has to travel in groups of the same size each time the team goes to client's site. Not all members can be same in any two groups visiting the client's site in a year. Maximum how many different groups can be formed ? |
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Answer» A) 4 |
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| 772. |
Answer these questions based on the following information. A team of 8 software engineers work on a project, for an American client, in Bengaluru, India. Every team member wants to go to the client's site in USA, as many times as it's possible for them. However, as per the company's policy every member will visit the site same number of times in a year. Each team member has to travel in groups of the same size each time the team goes to client's site. Not all members can be same in any two groups visiting the client's site in a year. Maximum how many times a team member can go to the client's site in a year ? |
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Answer» A) 32 |
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| 773. |
If f(x)=x^2+2bx+2c^2 and g(x)=-x^2-2cx+b^2 such that min f(x)gt max g(x), then the relation between b and c is |
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Answer» No REAL VALUE of B and C |
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| 774. |
Two integers xa n dyare chosenwith replacement out of the set {0,1,,2,3 ,10}dotThen findthe probability that |x-y|> 5. |
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Answer» `7/11` |
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| 775. |
A pack of cards consists of 15 cards numbered 1 to 15. Three cards are drawn at random with replacement. Then, the probability of getting two odd and one even numbered cards, is? |
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Answer» a. `3/1430` |
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| 776. |
Sharma is 20% less efficient than Kelkar. If Kelkar can do a piece of work in 24 days, then the number of days required by sharma to complete the same work done ? |
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Answer» 20 |
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| 777. |
If a solid right circular cylinder is made of iron is heated to increae its radius and height by 1% each , then the volume of the solid is increased by : |
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Answer» `1.01%` |
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| 778. |
p,q,r,s,t are first five terms of an A.P. such that P + r + t = -12 and p.q.r = 8. Find the first term of the above A.P. : |
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Answer» 3 |
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| 779. |
A dealer marks his goods 25% above the cost price. He, then allows some discount on it and makes a profit of 10%. Find the rate of discount. |
| Answer» ANSWER :`(y+z)(x+y)(y+z)` | |
| 780. |
If m and n are +ve integers and ( m-n)is an even number , then(m^(2) - n^(2))will be always divisible by. |
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Answer» 4 |
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| 781. |
Find the critical numbers of the following rational polynomial (x^2+2x-15)/(x^2-9) |
| Answer» Solution :`(x^2+2x-15)/(x^2-9)=((x+5)(x-3))/((x+3)(x-3))` SINCE the roots of `x^2+2x-15` are(-5,3) and that of `x^2-9` are (-3,3). THEREFORE that CRITICAL points are -5,-3 and 3. | |
| 782. |
IF Aand BaretwoindepenenteventssuchthatP( barA )= 0.65, P (Auu B ) =0.65 andP(B ) =p,findthevalueof p. |
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Answer» `7/13` |
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| 783. |
Four runers started running the race in the same direction around a circular path of 7 km. Their speeds are 4,3,9 and 3.5km/hr individually. If they have started their race at 6 o'clock in the morning, then at what time they will be at the starting point? |
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Answer» |
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| 784. |
MDTV is a very popular TV channel. It telecasts the programmers from 8:00 a.m. to 12:00 p.m. It telecasts 60 advertisements each of 8 seconds and 16 advertisements each of 30 seconds. What is the percentage of time devoted in a day for the advertisements? |
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Answer» `1.5%` |
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| 785. |
In the recent, climate conference in New York, out of 700 men, 500 women, 800 children present inside the building premises, 20%of the men, 40%of the women and 10%of the children were Indians. Find the percentage of people who were not Indian? |
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Answer» |
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| 786. |
A circle is circumscribed by the rhombus which in turn is made up by joining the mid points of a rectangle whose sides, 12 cm. and 16 cm. respectively. What is the area of the circle? |
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Answer» `625/26 PI` |
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| 787. |
ABC is an equilateral triangle . P and Q are two points on AB and AC such that PQ|\|BC. PQ=5 cm. Find the area of Delta APQ |
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Answer» |
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| 788. |
The smallest possible number that can be expressed as the sum of cube of two natural numbers in two different combinations. |
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Answer» a.1000 |
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| 789. |
A milkman has 20 litres of milk. If he mixes 5 litres of water, which is freely available, in 20 litres of pure milk. If the cost of pure milk is Rs. 18 per litre, then the profit of the milkman, when he sells all the mixture at cost price, is |
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| 790. |
A vessel contains 400 ltmilk. 20 ltof milk was replaced by water and then 40 ltof the resu lt ant mixture was replaced by water. Find the ratio of milk and water in result ant mixture. |
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Answer» |
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| 791. |
In Fig, O is the center of the circle. Find the angle of triangleABC. |
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Answer» `130^(@)` |
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| 792. |
If p = root(3)(5), q = root(4)(3), r = root(5)(4) then the correct relationship is : |
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Answer» <P>`p gt q gt R` |
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| 793. |
ABCD is a cyclic trapezium such that AD || BC. If angle ABC=70^(@), then the value of angleBCD is : |
| Answer» Answer :B | |
| 794. |
A circle touches the sides of a quadrilateral ABCD at P, Q, R and S respectively. Find the angles subtended at the centre by a pair of opposite sides. |
| Answer» Answer :A | |
| 795. |
Shopkeeper marks his goods 30% above CP. Half stock is sold at M.P. and (1)/(4) th part at 15% discount and remaining is sold at 30% discount. Find CP |
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Answer» |
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| 796. |
Factorize x(y^(2)+z^(2))+y(z^(2)+x^(2))+z(x^(2)+y^(2))+2xy |
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Answer» |
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| 797. |
Convert (126)_10 into binary system. |
Answer» SOLUTION :
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| 798. |
What are the possible times when a clock shows 35^(@) angle between two hands between 3 pm and 4 pm? |
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Answer» A. 20 min 25 sec |
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| 799. |
A certain sum of money amounts to Rs 15900 at simple rate of interest at 6% p.a in 1 years . What is the value of principal sum ? |
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Answer» 12000 |
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| 800. |
If A and Bbe twomutuallyexclusive eventsin a samplespacesuchthat,P(A)= 2/5 and P(B)= 1/2then findP( barA): |
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Answer» `2/5` |
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