Challenger

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Question:

a = 1/3, b = 1/5 ആയാൽ a+b/ab എത്ര?

A15/8

B1/8

D1/15

Answer:

a = 1/3, b= 1/5 a+b/ab =(1/3+1/5)/(1/3 x 1/5) =(5+3/15)/(1/15) = (8/15)/(1/15) = 8/15 ÷ 1/15 = 8/15 x 15/1 = 8

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