Everybody in a room shakes hands with everybody else. The total number of hand-shakes is 55. The total number of persons in the room is:
(A) 11
(B) 12
(C) 8
(D) 14
(E) None of these
There are four different bags. Also, there are four different coins. In how many ways can the coins be put into bags if there are exactly two coins in exactly one of the bags?
(A) 48
(B) 96
(C) 72
(D) 144
(E) 180
The value of which one of the following fractions falls in between
(A)
(B)
(C)
(D)
Find the value of
(A) 4
(B) 3
(C) 5
(D) 1
A trader makes a profit equal to the selling price of 75 articles when he sold 100 of the articles . What % profit did he make in the transaction?
(A) 300%
(B) 150%
(C) 33.33%
(D) 75%
An article was sold for Rs.4000. Had a discount of 10% was being offered, the profit would have been 20%. The cost price of the article was:
(A) Rs.3000
(B) Rs.3600
(C) Rs. 3200
(D) Rs. 3310
A mixture contains milk and water in the ratio 5: 1. On adding 4 litres of water, the ratio of milk and water becomes 5: 2. What is the quantity of milk in the original mixture?
(A) 40 litre
(B) 36 litre
(C) 20 litre
(D) 24 litre
A vessel contains some litres of pure milk. If 25 litre of water is added to the vessel, then ratio between milk and water becomes 12:5, 17 litres of mixture is drawn from the vessel and 10 litre of water is added to the mixture. Find the new ratio between milk and water.
(A) 6 : 5
(B) 5 : 6
(C) 8 : 5
(D) 5 : 8
A man borrows some money at 3% simple interest per annum and lends it to somebody at 5% interest to be compounded annually. By this he makes a profit of Rs.541 at the end of 3 years. The money he borrowed was-
(A) Rs. 15800
(B) Rs. 18400
(C) Rs. 8000
(D) Rs. 12000
How much time will it take for an amount of Rs.360 to yield Rs.72 as interest at 5 % p.a of simple interest?
(A) 3 years
(B) 4 years
(C) 2.5 years
(D) 3.5 years
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