Q1. If sum of upstream and downstream speed of a boat is 82 kmph, and the boat travels 105 km. upstream in 3 hr,Find the time taken by boat to cover 126 km downstream.
(a) 126/47 hr
(b) 127/47 hr
(c) 129/47 hr
(d) 124/47 hr
(e) None of these
Q2. Vipin can walk a certain distance in 52 days when he rests 10 hours a day. How long will he take for twice the distance, if he walks twice as fast and rests twice as long each day?
(a) 104 days
(b) 26 days
(c) 78 days
(d) 182 days
(e) 140 days
Q3. There is a hole in a water tank which can empty it in 8 hours. A pipe is opened which fills 6 litre water per minute in tank and now tank is emptied in 12 hours. What is the capacity of the tank?
(a) 8260 litre
(b) 8660 litre
(c) 8640 litre
(d) 8620 litres
(e) 8460 litres
Q4. Two pipes A and B can separately fill a cistern in 60 minutes and 75 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then then the cistern is full in 50 minutes. In how much time the third pipe alone can empty the cistern?
(a) 110 minutes
(b) 100 minutes
(c) 120 minutes
(d) 90 minutes
(e)130 minutes
Q5. The difference between simple interest and compound interest of a certain sum of money at 20% per annum for 2 years is Rs. 48. Then the sum is:
(a) Rs. 1,000
(b) Rs. 1,200
(c) Rs. 1,500
(d) Rs. 2,000
(e) Rs. 2,500
Q6. Compound interest of a sum of money for 2 years at 4 per cent per annum is Rs. 2,448. Simple interest of the same sum of money at the same rate of interest for 2 years will be:
(a) Rs. 2,500
(b) Rs. 2,400
(c) Rs. 2,360
(d) Rs. 2,250
(e) Rs. 2,450
Q7. A dairyman pays Rs. 6.40 per litre of milk. He adds water and sells the mixture at Rs. 8 per litre, thereby making 37.5% profit. The proportion of water to milk received by the customers is:
(a) 1 : 10
(b) 1 : 12
(c) 1 : 15
(d) 1 : 20
(e) 3 : 13
Q8. A shopkeeper sells his goods at a loss of 44% but he uses a false scale which is 30% less than its true weight. Find the loss/gain percent?
(a) 20% profit
(b) 20% loss
(c) 25% profit
(d) 25% loss
(e) Neither profit nor loss
Q9. In 2015, ratio of the number of students taking examinations in x, y and z states are respectively 3 : 5 : 6. Next year, the number of students are increased by 20%, 10% and 20% respectively. If ratio of the number of students in states x and z is 1 : 2, then find the number of students who sit to take examination in 2015.
(a) 5000
(b) 6000
(c) 75000
(d) Data insufficient
(e) None of these
Q10. Due to a 25% increase in the price of rice per kilogram, a person is able to purchase 20 kg less for Rs. 400. What is the increased price of rice per kilogram?
(a) Rs. 5
(b) Rs. 6
(c) Rs. 10
(d) Rs. 4
(e) Rs. 8
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