Table of Contents
MIXTURE & ALLIGATION
(Set – 1)
1) In what proportion must wheat at Rs. 3.10 per kg be mixed with wheat at Rs. 3.60 per kg, so
that the mixture be worth Rs. 3.25 a kg?
(a) 4 : 3 (b) 5 : 2 (c) 2 : 5 (d) 6 : 1 (e) None of these
2) One type of rice which costs Rs. 2 per kg is mixed with 10 kg of another type of rice which costs
Rs. 5 per kg to form a new mixture of rice which costs Rs 3 per kg. Find the quantity of first type
of rice used?
(a) 15 kgs (b) 12 kgs (c) 20 kgs (d) 14 kgs (e) None of these
3) 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) 150 kgs (b) 135 kgs (c) 50 kgs (d) 85 kgs (e) None of these
4) 3 kg rice of type A which costs Rs 10 per kg is mixed with 2 kg of type B rice with costs Rs 15
per kg. Find the cost of the mixture formed and at what price we should sell it to gain 20% profit?
(a) 12 and 15 (b) 15 and 18 (c) 12 and 14.4 (d) 10 and 12 (e) None of these
5) 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) 30 kgs (b) 35 kgs (c) 50 kgs (d) 20 kgs (e) None of these
6) There are 65 students in a class. 39 rupees are distributed among them so that each boy gets
80 paisa and each girl gets 30 paisa. Find the number of boys in that class?
(a) 32 (b) 39 (c) 50 (d) 49 (e) None of these
7) A person travels 285 km in 6 hrs. In two stages. In the first part of the journey, he travels by
bus at the speed of 40 km per hr. In the second part of the journey, he travels by train at the
speed of 55 km per hr. How much distance did he travel by train(in km)?
(a) 120 (b) 135 (c) 150 (d) 165 (e) None of these
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