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QA - Placement Quizzes | Permutation and Combination | Question 15
Last Updated: 28 June 2021
The value of 75C2 is:(A) 1215(B) 2315(C) 2775(D) 1675 Answer: (C) Explanation: 75C2 = 75! / (73! * 2!) = 75*74/2 = 2775.Quiz of this Questio
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In how many different ways can the alphabets of the word ‘SCORING’ be arranged so that the vowels always come together?(A) 120(B) 720(C)
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QA - Placement Quizzes | Permutation and Combination | Question 12
Last Updated: 28 June 2021
Out of 8 boys and 10 girls, how many groups of 5 boys and 6 girls can be formed?(A) 11760(B) 25200(C) 720(D) 120960 Answer: (A) Explanation:
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QA - Placement Quizzes | Permutation and Combination | Question 11
Last Updated: 28 June 2021
Out of 6 engineers and 4 doctors, how many groups of 4 professionals can be formed such that at least 1 engineer is always there?(A) 129(B)
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QA - Placement Quizzes | Permutation and Combination | Question 10
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A box contains 2 red coins, 3 green coins and 4 blue coins. In how many ways can 3 coins be chosen such that at least one coin is green?(A)
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QA - Placement Quizzes | Permutation and Combination | Question 9
Last Updated: 28 June 2021
Out of 7 boys and 4 girls, how many queues of 3 boys and 2 girls can be formed?(A) 120(B) 25200(C) 24800(D) 1440 Answer: (B) Explanation: Nu
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QA - Placement Quizzes | Permutation and Combination | Question 8
Last Updated: 03 November 2021
There are 5 floating stones on a river. A man wants to cross the river. He can move either 1 or 2 steps at a time. Find the number of ways i
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In how many ways can 20 boys and 18 girls make a queue such that no two girls are together?(A) 20!* 20C18 (B) 20!* 20P18 (C) 20!* 21C18 (D)
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How many 4-digit numbers can be formed from the digits 1, 2, 3, 4, 5, 6 and 7 which are divisible by 5 when none of the digits are repeated?
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In how many ways can an interview panel of 3 members be formed from 3 engineers, 2 psychologists and 3 managers if at least 1 engineer must
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QA - Placement Quizzes | Permutation and Combination | Question 4
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How many ways a 6 member team can be formed having 3 men and 3 ladies from a group of 6 men and 7 ladies?(A) 700(B) 720(C) 120(D) 500 Answer
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QA - Placement Quizzes | Permutation and Combination | Question 3
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How many words can be made from the word “APPLE” using all the alphabets with repetition and without repetition respectively?(A) 1024, 6
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