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(Sample Material) CSAT Online Coaching : Basic Numeracy "Allegation or Mixture"
Sample Material of Our Online Coaching Programme
Subject: Basic Numeracy
Topic: Allegation or Mixture
1. Two varieties of rice at ` 10 per kg and ` 12 per kg are mixed together in the ratio 1 : 2. Find the average price of the resulting mixture
(a) 11 (Rs) per kg
(b) 11.22 (Rs) per kg
(c) 11.33 (Rs) per kg
(d) 11.44 (Rs) per kg
2. Gold is 20 times heavier than water and copper 9 times. In what ratio should these metals be mixed so that the mixture may be 15 times as heavy as water?
(a) 6 : 5
(b) 3 : 2
(c) 5 : 1
(d) 4 : 3
3. A merchant lent out ` 6440 in two parts, one at 8% and the other at 12% interest. If the yearly average interest comes out to be 9%. Find the amount lent at 12% interest?
(a) Rs. 1610
(b) Rs. 4830
(c) Rs. 2640
(d) Rs. 3610
4. A trader has 200 kg of rice, a part of which he sells at 18% profit and the rest at 12% loss. On the whole he loses 6%. What is the quantity sold at 12% loss?
(a) 120 kg
(b) 160 kg
(c) 40 kg
(d) 60 kg