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Question

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


Solution

Let no. of dolls = x, then

No. of dolls        :       Cost         ::       Dolls          :        Cost

    18                  :    Rs. 630       ::          x             :     Rs. 455

                                                                              (Less cost, less dolls)

x=18×455630=13

No. of dolls =- 13


Mathematics

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