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# Placement Questions & Answers :: TCS

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Not Attempted

161. After 6 years Raju's father will be twice that of his age and two years ago, his mothers age was twice of that of Raju's age. What is the sum of Raju's parent's age?

Explanation:

F+6=2(R+6)
F= 2R+6
M-2=2(R-2)
M= 2R-2
Therefore the sum of Raju's Parent's age is
F+M=2R+6+2R-2
F+M=4R+4
4 more than four times Raju's age

Tags: TCS

Not Attempted

162. John told Mark that if Mark gives 1/3rd of his money to him, he will have Rs 75. Mark told John that if john gives 1/2 his money to him, he will have Rs 75. How much money did they have totally?

Explanation:

Here is no explanation for this answer

Tags: TCS

Not Attempted

163. The cost price of a cow and a horse is Rs 3 lakhs. The cow is sold at 20% profit and the horse is sold at 10% loss. Overall gain is Rs 4200. What is the cost price of the cow?

Explanation:

Gain=4200
Gain=SP - CP
4200=SP-300000
SP=304200

x+y = 300000
1.2x+0.9y = 304200
Solving for x = 114000

Tags: TCS

Not Attempted

164. A starts riding his bike at 10am with a speed of 20kmph and B also starts at 10am with a speed of 40kmph from the same point in the same direction. A turns south at 12 o'clock and B turns north at 11 am. What will be the distance between A and B at 2 pm?

Explanation:

At 12 o clock A cover 40km and on the other side B at 11 o clock cover 40km, again they traveled towards each other(which is actually the distance between them), that is A has to traveled 2hr(From 12 to 2 at 20km/hr) i.e 2*20=40km and other side B has to traveled 3hr(From 11 to 2 at 40km/hr) i.e 3*40=120Km.
Then the total distance traveled by them is the Actual distance between them ie 40+120=160Km(Ans.)

Tags: TCS

Not Attempted

165. A circle has 29 points arranged in a clockwise manner numbered from 0 to 28. A bug moves clockwise around the circle according to the following rule. If it is at a point i on the circle, it moves clockwise in 1 second by ( 1 + r ) places, where r is the reminder ( possibly 0 ) when i is divided by 11. Thus if it is at position 5, it moves clockwise in one second by ( 1 + 5 ) places to point 11. Similarly if it is at position 28 it moves ( 1 + 6 ) or 7 places to point 6 in one second.
If it starts at point 28, at what point will it be after 9994 seconds?

Explanation:

Here is no explanation for this answer

Tags: TCS

Not Attempted

166. The value of a scooter depreciates in such a way that its value of the end of each year is 3/4 of its value of the beginning of the same year. If the initial value of the scooter is Rs.40,000, what is the value at the end of 3 years ?

Explanation:

40,000(3/4)^3=16875

Tags: TCS

Not Attempted

167. There is a pool of radius X and there is a pathway around the pool with a width of 4 feet. Find the radius of the pool if the path area/ pool area=11/25.

Explanation:

(PI.(X+4)^2-PI.X^2)/PI.X^2=11/25
(X+4)^2/X^2-1=11/25
(X+4)^2/X^2=36/25
(X+4)/X=6/5
X=20

Tags: TCS

Not Attempted

168. A workman starts his work on Monday works for 8 days and takes every 9th day as his holiday. His 12th holiday will fall on?

Explanation:

From day 1 to 9 is considered as one cycle
12th holiday is 12*9=108
excluding starting day monday it is 107days.
107 has 2 odd number is 1,7
So, Monday + 2days(2 odd no)=wednesday

Tags: TCS

Not Attempted

169. When all possible six-letter arrangements of the letters of the word "MASTER" are sorted in alphabetical order, what will be the 49th word?

Explanation:

Arrange "MASTER" as AEMSTR
AE _ _ _ _,this is for "MSTR",will be arranged as 4!=24.
AM _ _ _ _,this is for "ESTR",will be arranged as 4!=24.
so total words = 48.
now 49th word will be start from AR and will be AREMST.

Tags: TCS

Not Attempted

170. The price of a book in four different shops and the successive discounts offered for the books is given below. Select the option in which the price of the book is the least.