• Placement Questions
• /
• UPSC
• /
• Category

Frequently Asked UPSC Category Questions with Answers

(#M40109621) UPSC QUESTION Keep an EYE

An insurance agent insures lives of 5 men, all of the same age and in good health. The probability that a man of this age will survive the next 30 years is known to be 2/3 . Find the probability that in the next 30 years at most 3 men will survive

Asked In UPSC Jaspalsingh Parmar (10 years ago)

Unsolved

Is this Puzzle helpful?   (3)   (1) Submit Your Solution

(#M40085904) UPSC QUESTION Permutation and combination Keep an EYE

How many different permutations from the letters of the word ALABAMA contain the word LAMB?

Asked In UPSC Jaspalsingh Parmar (10 years ago)

Unsolved

Is this Puzzle helpful?   (2)   (2) Submit Your Solution

(#M40085918) UPSC QUESTION Permutation Keep an EYE

In how many ways can 6 plastic beads of different colours be arranged so that the blue and green beads are never placed together?

Asked In UPSC Jaspalsingh Parmar (10 years ago)

Unsolved

Is this Puzzle helpful?   (2)   (0) Submit Your Solution

(#M40085921) UPSC QUESTION Permutation Keep an EYE

In how many ways can the letters of the word ‘MODESTY’ be arranged so that
(i) D and E are always together
(ii) D and E are never together.

Asked In UPSC Jaspalsingh Parmar (10 years ago)

Unsolved Read Solution (3)

Is this Puzzle helpful?   (5)   (5) Submit Your Solution

(#M40085915) UPSC QUESTION Permutation Keep an EYE

A family of 4 brothers and 3 sisters is to be arranged for a photograph in one row. In how many ways can they be seated if
(i) all the sisters sit together
(ii) No 2 sisters sit together

Asked In UPSC Jaspalsingh Parmar (10 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (18)   (7) Submit Your Solution

(#M40109625) UPSC QUESTION Keep an EYE

If A, B, C, D are (1, 1, 1), (2, 1, 3), (3, 2, 2), (3, 3, 4) respectively, then find the volume of the parallelopiped with AB, AC and AD as the concurrent edges

Asked In UPSC Jaspalsingh Parmar (10 years ago)

Unsolved

Is this Puzzle helpful?   (3)   (0) Submit Your Solution

(#M40085886) UPSC QUESTION Keep an EYE

In how many ways a committee of 5 members can be selected from 6 men and 5 ladies consisting of 3 men and 2 ladies?

Asked In UPSC Jaspalsingh Parmar (10 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (5)   (2) Submit Your Solution

(#M40085911) UPSC QUESTION Permutation Keep an EYE

The letters of the word WEDNESDAY are arranged in a line, each arrangement ending with letter S. How many different arrangements are possible? How many of them start with letter D?

Asked In UPSC Jaspalsingh Parmar (10 years ago)

Unsolved

Is this Puzzle helpful?   (1)   (0) Submit Your Solution

(#M40109626) UPSC QUESTION Keep an EYE

A fair coin is tossed 8 times. Find the probability that it shows heads at least once

Asked In UPSC Jaspalsingh Parmar (10 years ago)

Solved Satya B Read Solution (2)

Is this Puzzle helpful?   (67)   (21) Submit Your Solution

(#M40109619) UPSC QUESTION Keep an EYE

What is the general solution of cos x + sin x = 1.

Asked In UPSC Jaspalsingh Parmar (10 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (2)   (3) Submit Your Solution