Question

In a cup there is mixture with 3 parts of water and 1 part of water. the part of the cup filled with water is
a) 3/4 part b) 3/5 part c1/4 part d) 1/5 part
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Answer 1

ANSWER

b'Short cut: Mixture withdrawn

displaystyle=

frac12

times

frac3−13=

frac13'.

Answer 2

the correct option is (c)