exam Maths Puzzle

In how many ways can 5 boys and 7 girls be arranged in a row so that no two boys are together.?

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exam Other Question

The radius of a cylinder is twice its height. If its total surface area is 192 Pi. sq. cm. find its height. Find the number of ways in which the letters of the word " ELECTIONS " can be arranged so that the vowels occupy the odd places.