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1. The cost of 21 pencils and 9 clippers is Rs. 819. The cost price of 7 pencils and 3 clippers is = ?

A. Rs. 204

B. Rs. 409

C. Rs. 273

D. Rs. 208

Solution:

Cost of 21 pencils and 9 clippers = Rs. 819
Cost of 7 pencils and 3 clippers =

\frac{819}{3}

= Rs. 273

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