Ratio and Proportion

Q61. Fourth proportional to 0.2, 0.15 and 0.4 is
(a) 0.2
(b) 0.3
(c) 0.4
(d) 0.5

Q62. The prices of a scooter and a bike are in the ratio 6:7. If the bike price is 5000 more than the scooter, then the price of the bike be
(a) Rs. 28000
(b) Rs. 32000
(c) Rs. 35000
(d) Rs. 39000

Q63. Gold is 19 times as heavy as water and copper is 9 times as heavy as water. The ratio in which these two metals be mixed so that the mixture is 15 times as heavy as water, is
(a) 3 : 1
(b) 3 : 2
(c) 2 : 3
(d) 4 : 3

Q64. A, B and C invested Rs. 18000, Rs 30000 and Rs 24000 respectively in a bussiness. At the end of the year, they earn a profit of Rs. 4800. A's share of profit is
(a) Rs. 800
(b) Rs. 900
(c) Rs. 1000
(d) Rs. 1200

Q65. A, B, C subscribe Rs. 50000 for a business. A subscribes Rs. 4000 more than B and B Rs. 5000 more than C. Out of a total profit of Rs. 35000, A receives
(a) Rs. 12200
(b) Rs. 13700
(c) Rs. 14250
(d) Rs. 14700

Q66. A began a bussiness with Rs. 4500 and was joined after wards by B with Rs. 5400. If the profits at the end of the year were divided in the ratio 2:1, B joined the bussiness after
(a) 2 months
(b) 4 months
(c) 5 months
(d) 7 months

Q67. Ram, Sham and Rahim starts a business. Ram invests 2 times as much as Sham and Sham invest 3/4 th of Rahim invest. Then the ratio of their capitals be
(a) 5:3:6
(b) 6:3:4
(c) 6:4:7
(d) 7:3:5

Q68. A, B and C are three partners in a bussiness. If A's capital is half of B's capital and C's capital is twice the B's capital. The ratio of their capital is
(a) 1:2:3
(b) 1:2:4
(c) 1:3:4
(d) 1:3:5

Q69. A, B and C start a business, each investing Rs. 20,000. After 5 months A withdraw Rs. 5000, B Rs. 4000 and C invested Rs. 6000 more. At the end of the year, a total profit of Rs. 69900 was recovered. What is the share of B ?
(a) Rs. 19205
(b) Rs. 20950
(c) Rs. 21200
(d) Rs. 21700

Q70. A, B, C enter into partnership. A invested Rs. 2500 and B invested Rs. 2000. At the end of the year, they gained Rs. 1100, out of which B get Rs. 320. C's capital was
(a) 2375
(b) 2450
(c) 2475
(d) 2550

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