Sameer is as much younger to Mohan as he is older to Arun. If the sum of the ages of Mohan and Arun is 48, the age of Sameer is
20 years
24 years
30 years
cannot be determined
B.
24 years
A mixture of 40 litres of milk and water contains 10% of water. How much water is to be added to the mixture so that the water may be 20% in the new mixture.
5 Litres
4 Litres
6.5 Litres
7.5 Litres
A.
5 Litres
The ratio of milk and water in 60 Litres of adulterated milk is 2: 1. If the ratio of milk and water is to be 1 : 2, then the amount of water to be added further is
20 Litres
30 Litres
40 Litres
60 Litres
D.
60 Litres
A piece of cloth costs Rs. 70. If the piece is 4 metre longer and each metre costs Rs. 2 less, the cost remains unchanged. The length of the piece is
8 mt
9 mt
10 mt
12 mt
C.
10 mt
A tank can be filled up by two pipes A and B in 2 hours and 3 hours
respectively. A third pipe C can empty the full tank in 6 hours. If all the taps can be turned on at the same time, the tank will be full in
1 hour
40 minutes
1.5 hours
3 hours
C.
1.5 hours
Of the three numbers, the first is one third of the second and twice the third. The average of these numbers is 27. The largest of these numbers is
18
36
54
108
C.
54
The length of a square is increased by 15% and breadth decreased by
15%. The area of the rectangle so formed is
neither increases nor decreases
decreases by 2.25%
increases by 2.25%
decreases by 22.5%
B.
decreases by 2.25%
Sanjay sold his watch for Rs. 1140 and thereby loses 5%. In order to gain 5% he has to sell the watch for
Rs. 1254
Rs. 1260
Rs. 1197
Rs. 1311
B.
Rs. 1260
A train 100 meters long running at 54 km/hr takes 20 seconds to pass a bridge. The length of the bridge is
50 mt
150 mt
200 mt
620 mt
C.
200 mt
Raju earns twice as much in March as in each of the other months of the year. What part of his annual earnings he earns in that month?
1/5
5/7
2/13
1/10
C.
2/13