Gurujobalert

How many kg of salt at 42 P per kg must a man mix with 25 kg of salt at 24 P per kg so that he may, on selling the mixture at 40 P per kg gain 25% on the outlay?

a

  15

b

 20

c

 25

d

 30

e

 None of these

Answer : Option B
Explanation :
Cost price of mixture = 40 $\times$ $100 \over 125$P = 32P per kg
image
the required no.of kg = 25$\times$ $4 \over 5$ = 20
500
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