Discussion

Q.

p%  of  q + q%  of  p = 14 2/7 % of (p+q),  then p+q/pq =? 

A. 4%

B. 10%

C. 14%

D. 20%

Correct Option is C

Explanation:

p% of q = pq/100

q% of p = pq/100

14 2/7% of (p+q) = 1/7 (p+q)

pq/100  +  pq/100 2 pq/ 100

Hence 2 pq/ 100 = 1/7 (p+q)

 Or, (p+q)/pq = 14/100 = 14%

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