## QA – Placement Quizzes | Permutation and Combination | Question 8

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 »

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 »

Sudheer’s family can use the water up to 10 days when the tank is full. If the water consumption of his family is increased by… Read More »

If a positive integer leaves remainder 28 when divided by 143, then what is the remainder obtained on dividing the same number by 13? (A)… Read More »

At what time between 6 am and 7 am will the minute hand and the hour hand of a clock make an angle closest to… Read More »

Two cars with speed of 15 kmph and 30 kmph respectively are 100 km apart and face each other. The distance between them 5 minutes… Read More »

Find the Value of tan60o + tan120o? (A) 1/2 (B) 0 (C) 2 (D) 2/3 Answer: (B) Explanation: =tan(60) + tan(180-120) =tan(60)+(-tan(60)) {because in second… Read More »

Find the AM of series: 10, 7, 4, 1, -2 (A) 13/2 (B) 14/3 (C) 4 (D) 16/5 Answer: (C) Explanation: AM = (a1+a2+a3+……+an)/n =(n(a1+an)/2)/n… Read More »

Find the Arithmetic Mean of series: 2, 6, 10, 14, 18, 22, 26, 30. (A) 16 (B) 8 (C) 64 (D) 36 Answer: (A) Explanation:… Read More »