Question
Three of the following four number pairs are alike in a
certain way and one is different. Pick the odd one out.Solution
14² + 10 = 197 9² + 5 = 86 15² + 5 = 230 13² + 5 = 174.
Find the no. of words formed by using all the letter of the word DISCOUNT, so that the vowels are never together?
A Consignment of 12 mobile phones contains 4 defectives. The mobile phones are selected at random one by one and examined. The ones examined are not pu...
How many ways can 8 women and 8 men be seated around a circular table where no two women can sit together?
How many 6-digit numbers can be formed from the digits 0,3,4,5,6 and 8, in which the digits are not repeated?
In how many different ways can the letters of the word ‘VARIOUS’ be arranged in such a way that the vowels occupy only the odd positions?
...In how many different ways can the letters of the word ‘PUBLIC’ be arranged in such a way that the vowels occupy only the odd positions?
How many words can be formed with the letter of the word ‘NUMBER’ when alll vowels are never together?
In how many ways can 6 boys and 3 girls can be seated in a row so that they are in alternate position.
Akshay has 7 relatives, 3 males and 4 females. His wife twinkle also have 7 relatives, 3 females and 4 males. In how many ways can they invite 3 male an...
A group consists of 12 boys and 7 girls. In how many ways can 5 boys and 3 girls be selected from the group?
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