If 18 dolls cost ₹630, how many dolls can be bought for ₹455? – InterviewSolution

InterviewSolution

1.

If 18 dolls cost ₹630, how many dolls can be bought for ₹455?

Answer»

If more dolls are bought the cost will also be more. Therefore it’s directly proportional.

Let the number of dolls be x, 18/630 = x/455

630 × x = 18 × 455

630x = 8190

x = 8190/630

x = 13

∴ 13 dolls can be bought for ₹455.

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