Question

The wheat sold by a grocer contained 10% low quality
wheat. What quantity of good quality wheat should
be added to 150 kgs of wheat so that the percentage
of low quality wheat becomes 5%?
(a) 150kg
(b) 135kg
(c) 50kg
(d) 85kg
(e) None of these
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Answer 1

Answer:

the answer is 135

we can find it by corresponding so it is much easier by finding on internet

Answer 2

Answer:

c) 50 kg wheat is added to 150 kg wheat