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Q.

If 18 dolls cost Rs.630. How many dolls can be bought for Rs.455?


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a

15

b

62

c

13

d

10 

answer is C.

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Detailed Solution

Given,
Cost of 18 dolls = Rs.630
∴Cost of 1 doll=63018​= Rs 35
Let the number of dolls=s
According to question
(Cost of 1 doll) (Number of dolls) =Total cost
⇒35s=455
⇒s= 45535
​⇒s =13
So, 13 dolls can be bought.
Correct option is 3.
 
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