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(#M40021870) TCS QUESTION Keep an EYE

The 49th term of an arithmetic progression is 23 and 62nd term is 37. What is the sum of the first 110 terms of the series?
option
a) 3000
b) 3300
c) 3600
d) 3900

Asked In TCS Tanu (12 years ago)

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(#M40021561) TCS QUESTION Keep an EYE

A thread is marked into three parts whose lengths are in the ratio 2:5:6. Two types of knots A and B reduce the length of the thread by different lengths. On the first part, 6 knots of type A are made, on the second part 10 knots of type B are made and on the third part, 5 knots of type A and 5 knots of type B are made. After this, the lengths of the three parts taken in the same order, are in the ratio of 1 : 7 : 8. What is the ratio of the reduction in length due to knot A to that of knot B?
a) 3 : 5
b) 4 : 5
c) 5 : 4
d) 5 : 3

Asked In TCS Tanu (12 years ago)

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(#M40021564) TCS QUESTION Keep an EYE

There are 4 boys and 5 girls in two separate queues. The two queues are merged so that the positions of the boys (in relation to each other) and those of the girls (in relation to each other) remain unchanged. In how many ways can this be done?
option
a) 5!4!
b) 9P5
c) 9C5
d) (9C5 )^2

Asked In TCS Tanu (12 years ago)

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(#M40025710) TCS QUESTION Keep an EYE

Mohan bought a total of 72 apples, bananas and oranges and paid Rs 216. Each apple, banana and orange costs Rs 2, Rs 3 and Rs 4 respectively. Find the maximum number of oranges he could have purchased.
(1) 34 (2) 30 (3) 28 (4) 35

Asked In TCS Tanu (12 years ago)

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(#M40021560) TCS QUESTION Keep an EYE

How many two-digit numbers are there which, when subtracted from the number formed by reversing its digits as well as when added to the number formed by reversing its digits, result in a perfect square?
option
a) 1
b) 2
c) 3
d) 4

Asked In TCS Tanu (12 years ago)

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(#M40021867) TCS QUESTION Keep an EYE

Three friends P, Q and R were playing a game of cards. At the beginning of the game, P and Q together had 50% more money than R. Q and R together had 3 times as much as P had. By the end of the game P and Q together had 3 times as much as R had, and P and R together had 50% more than Q.P gained 2,000 by the end of the game.What was the total money involved?
option
a) 20,000
b) 18,000
c) 15,000
d) 24,000

Asked In TCS Tanu (12 years ago)

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(#M40021571) TCS QUESTION Keep an EYE

Dinalal divides his property among his four sons after donating RS.20,000 and 10% of his remaining property. The amounts received by the last three sons are in arithmetic progression and the amount received by the fourth son is equal to the total amount donated. The first son receives as his share RS.20,000 more than the share of the second son. The last son received RS.1 lakh less than the eldest son.
10. Find the share of the third son.
option
a) RS.80,000
b) RS.1,00,000
c) RS.1,20,000
d) RS.1,50,000

Asked In TCS Tanu (12 years ago)

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(#M40021569) TCS QUESTION Keep an EYE

Mani sells vegetables and he marks up the prices at 5% above his cost price. Also the weighing stones used by him weigh only 90% of the correct weight. Find his effective percentage of mark-up.
option
a) 15%
b) 16^2/3%
c) 14^1/2%
d) 20%

Asked In TCS Tanu (12 years ago)

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(#M40022310) TCS QUESTION Keep an EYE

X, Y, X and W are integers. The expression X - Y - Z is even and the expression Y - Z - W is odd. If X is even what must be true?
a) W must be odd
b) Y - Z must be odd
c) W must be odd
d) Z must be odd

Asked In TCS Tanu (12 years ago)

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(#M40021565) TCS QUESTION Keep an EYE

A bag contains 6 balls of one or more colours. A ball is picked and is found to be red. What is the probability that the bag initially had exactly 6 red balls?
option
a) 2/7
b) 1/5
c) 3/5
d) 4/5

Asked In TCS Tanu (12 years ago)

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