# Aptitude - Aptitude-Number System

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Find square root of 2.7?

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Sum of two numbers prime to each other is 20 and their L.C.M. is 99. What are the numbers?

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If the two numbers are relatively prime, their least common multiple is their product. The prime factors of 99 are 3, 3, and 11. Since the two numbers are relatively prime, the possibilities are 9 and 11 or 1 and 99. The pair of 9 and 11 add up to 20 and their least common multiple is 99. So, 9 and 11 are the two numbers.

Find H.C.F. of 3/5, .36, .24

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What sum of money is to be divided among 3 men in the ratio 3 : 4 : 5 so that the third man receives Rs 10 only?

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Simplify: (1.3*1.3* .13- 1)/(1.3*1.3*1.3 1)

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