Question

18. 650 का 16%+850 का ?% =172
(A) 20 (B) 8 (C) 18
(D) 9
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Answer 1

HII:

Given here:

650 of 16%+850 of ?%=172

let here x.

now ,

(650 * 16 /100)+(850 * x /100)=172

==>104 + 17x /2=172

==>208+ 17x=344

==>17x=136

==>x =8

answer will be here

. 650 of 16% + 850 of 8% =172.

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