A.  206

B.  200

C.  360

D.  160

1
Correct Answer :
160
Explanation :

Given that, Total amount = Rs.206/-

50p : 20p : 10p = 5 : 9 : 4

As total amount is in rupees convert the paise into rupees.

Say Z is the ratio constant

=> 5Z x 0.5 + 9Z x 0.25 + 4Z x 0.1 = 206

=> Z = 40

The number of 10p coins = 4Z = 4 x 40 = 160


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