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TCS Numerical Ability - Permutation and Combination Interview Questions with Answers

(#M40165571) TCS QUESTION Keep an EYE

In how many ways coin of 1 rupee and 2 rupee is arranged to get a value of 100 rupee? (Example for 5 rupee we can arrange it in 3 ways {(1,1,1,1,1) (1,1,1,2)(1,2,2)}

Asked In TCS Ayush Kumar Pushkar (7 Months ago)

Unsolved Read Solution (4)

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(#M40165518) TCS QUESTION permutations and combinations Keep an EYE

Q1. 1 red flag, 3 white flags and 2 blue flags are arranged in a line
such that:
I. No two adjacent flags are of the same colour
II. The flags at the ends are of 2 different colours.
In how many different ways the flags be arranged?

Asked In tcs shrija (7 Months ago)

Unsolved Read Solution (2)

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(#M40165459) TCS QUESTION permutations Keep an EYE

A question paper consists of 4 sections with 7 questions in each section. A candidate has to select 2 sections and has to solve 9 questions choosing at least 3 from each of the selected sections. In how many ways can he answer the paper?

Asked In TCS PRAVEENRAJ P (8 Months ago)

Unsolved Read Solution (9)

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(#M40165033) TCS QUESTION Permutation and Combination Keep an EYE

1, 2, 3 and 4 can form 256 different four digit numbers. If digits repeated, two of them are 1111 and 1113. Then find the sum of 256 numbers.

a)711040 b)711000 c)711038 d)711042

Asked In TCS Suriya Varshini (1 year ago)

Solved ROHIT VAISAY Read Solution (5)

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(#M40164833) TCS QUESTION Keep an EYE

the adjoining diagram we have a stair case in which each step has length x=5 width y=2 depth z=1 foot.smart ant wishes to go from a to b what is the short dist it can take?

Asked In TCS surekha (1 year ago)

Unsolved Read Solution (3)

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(#M40164818) TCS QUESTION Keep an EYE

Rahul scored 75% marks in his board exams comprising 5 subjects. He applied for re-evaluation and got 25 marks in one subject, and 5 marks less in another subject. For the remaining three subjects, the marks were unchanged. What is his new percentage?
75
77
79
70
55

Asked In TCS Sinji (1 year ago)

Unsolved Read Solution (13)

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(#M40164814) TCS QUESTION Keep an EYE

Three varieties of tea cost Rs. 100, Rs. 140 and Rs. 150 respectively per kg. The three are mized in the ratio 1:2:4. What would be the cost of 1 kg of the new mixture?
140
130
120
110
150

Asked In TCS Sinji (1 year ago)

Unsolved Read Solution (3)

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(#M40164762) TCS QUESTION Keep an EYE

In how many possible ways can you write 1800 as a product of 3 positive integers a,b and c.

Asked In TCS yamini.v (1 year ago)

Solved jayaganesh Read Solution (4)

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(#M40157583) TCS QUESTION Keep an EYE

4. What is ∑K=0283K(28KC) where 28KC
is the number of ways of choosing k items from 28 items?
a. 256
b. 3* 227
c. 329
d. 3* 427

Asked In TCS lav (2 years ago)

Unsolved Read Solution (5)

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(#M40157582) TCS QUESTION Keep an EYE

3. What is ∑K=028K2(28KC) where 28KC
is the number of ways of choosing k items from 28 items?
a. 406 * 227

b. 306 * 226

c. 28 * 227
d. 56 * 227

Asked In TCS lav (2 years ago)

Unsolved Read Solution (2)

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