1.

Some money is divided among A, B and c in such a way that 7 times A’s share, 9 times B’s share and 11 times C’s share are all equal. The ratio between the shares of A, B, C is1). 7 : 9 : 112). 11 : 9 : 73). 63 : 77 : 994). 99 : 77 : 63

Answer»

Let their SHARES be A, B and C respectively.

Given,

7A = 9B = 11C

⇒ A : B = 9 : 7

⇒ B : C = 11 : 9

The LCM of 7 and 11 is 77. Hence, we MULTIPLY the FIRST ratio by 11 and the second by 7.We have

A : B = 99 : 77

B : C = 77 : 63

Hence, A : B : C = 99 : 77 : 63


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