The value of 75C2 is: (A) 1215 (B) 2315 (C) 2775 (D) 1675 Answer: (C) Explanation: 75C2 = 75! / (73! * 2!) = 75*74/2… Read More
Tag Archives: QA – Placement Quizzes-Permutation and Combination
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… Read More
In how many ways can the alphabets of the word ‘DERAIL’ be arranged so that the vowels come at the odd positions only? (A) 12… Read More
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… Read More
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?… Read More
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… Read More
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… Read More
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… Read More
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!*… Read More
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… Read More
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… Read More
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?… Read More
How many words can be made from the word “APPLE” using all the alphabets with repetition and without repetition respectively? (A) 1024, 60 (B) 60,… Read More
What is the number of possible words that can be made using the word “QUIZ” such that the vowels never come together? (B) 8 (C)… Read More
What is the number of possible words that can be made using the word “EASYQUIZ” such that the vowels always come together? (A) 120 (B)… Read More
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