The incomes of X, Y and Z are in the ratio 5:7:9 and their expenditures are in the ratio 6:7:12. If X saves 30% of his income, then what is the ratio of their savings?
(a) 24:18:35
(b) 18:35:24
(c) 24:35:18
(d) 18:24:35
A, B and C start a business. Profit earned by A is 10% more than B and profit earned by B is 15% less than C. The ratio of their investment is
(a) 178:170:200
(b) 187:170:200
(c) 180:162:190
(d) 163:175:190
The prices of a refrigerator and a cell phone are in the ratio 3:2. If the refrigerator costs Rs. 6000 more than the cell phone, what is the price of the cell phone?
A) Rs. 1200 B) Rs. 12000 C) Rs. 8000 D) Rs. 9000