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Start learning 50% faster. Sign in nowArea of the box =2(70×50+50×30+30×70) =2(7100) =14200.
In how many ways can a committee of 3 men and 2 women be formed from 5 men and 6 women?
In a bag there are 4 red balls, 3 green balls, and 5 blue balls. If one ball is drawn at random from the bag, what is the probability of drawing a green...
7 children are to be selected from a group of 8 boys and 6 girls. In how many ways will the children with at most 3 girls and at least 4 boys be selected?
How many three-letter words can be formed such that all letters are vowels, and no two letters are the same?
An examinee is required to answer the eight questions out of 16 questions which are divided into two groups each containing eight questions each and he...
A total of 24 points are given on a plane, out of which 10 are collinear. How many distinct straight lines can be formed using these points?
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 no. of 4 digits can be formed with the digits 4, 8, 7 & 3 no digit being repeated.
...In how many different ways can the letters of the word ‘FLOWER’ be arranged in such a way that the vowels occupy only the odd positions?
In how many ways can the letters of the word ENGINEERING be arranged?
