1. The monthly income of two persons are in the ratio 2 : 3 and their monthly expenses are in the ratio 5 : 9. If each of them saves Rs. 600 per month, then their monthly incomes are (c)
(a) Rs. 1,500 : Rs. 22,250
(b) Rs. 1,200 : Rs. 1,800
(c) Rs. 1,600 : Rs. 2,400
(d) Rs. 1,400 : Rs. 2,100
2. The ratio of the first and second class train fares between two stations is 3 : 1 and that of the numbers of passengers travelling between the two stations by first and second classes is 1 : 50. If on a particular day. Rs. 1,325 are collected from passengers travelling between the two stations. Then the amount collected from the second class passengers is (a)
(a) Rs. 1,250
(b) Rs. 1,000
(c) Rs. 850
(d) Rs. 750
3. If a : b : c = 7 : 3 : 5, then (a + b + c) : (2a + b – c) is equal to (d)
(a) 1 : 2
(b) 2 : 3
(c) 3 : 4
(d) 5 : 4
4. If A and B are in the ratio 3 : 4, and B and C in the ratio 12 : 13. Then A and C will be in the ratio (b)
(a) 3 : 13
(b) 9 : 13
(c) 36 : 13
(d) 13 : 9
5. If Rs. 1000 is divided between A and B in the ratio 3 : 2, then A will receive (c)
(a) Rs. 400
(b) Rs. 500
(c) Rs. 600
(d) Rs. 800