1.20 Kg of potato costs as much as 5 kg of tomato, 12 kg of tomato costs as much as 30 kg of onion, 15 kg of onion costs as much as 18 kg of cabbage. If 10 kg of cabbage costs Rs. 50. Find the cost of 24 kg of potato (4)
a. Rs 90
b. Rs 72
c. Rs 108
d. Rs 96
e. Rs 94
2.A, B and C invested a certain amount in the ratio of 4 : 5 : 6. A gets 25% of the profit for managing. The rest of the profit is divided among A, B and C in the proportion of their investments. If in a year, A gets Rs 10000 less than B and C, then the total profit in the year is (1)
a. Rs 50000
b. Rs 75000
c. Rs 150000
d. Rs 100000
e. None of these
3.Eight litres are drawn off from a vessel full of water and substituted by pure milk. Again eight litres of the mixture are drawn off and substituted by pure milk. If the vessel now contains water and milk in the ratio 9 : 40. Find the capacity the vessel. (1)
a. 14 litres
b. 24 litres
c. 16 litres
d. 12 litres
e. None of these
4.There are 10 filling pipes each capable of filling a cistern alone in 6 minutes and 6 emptying pipes each capable of emptying a cistern alone in 8 minutes. All pipes are opened together and as a result tank fills 22 litres of water per minute. Find the capacity of the tank. (3)
a. 48 litres
b. 36 litres
c. 24 litres
d. 16 litres
e. None of these
5.Two bullets were fires at a place at an interval of 28 minutes 30 seconds. A person approaching the firing point in his car hears the two sounds at an interval of 27 minutes. The speed of sound is 330 m/sec. what is the speed of the car ? (3)
a. 44 km/hr
b. 66 km/hr
c. 64 km/hr
d. 54 km/hr
e. None of these
