In a cricket coaching camp, 1200 children are trained out of which 900 are selected for various matches. Ratio of non-selected children to the total number of children is
300 : 120
4 : 1
1 : 4
120 : 300
Bhanu borrowed a certain sum of money at 12% per annum for 3 years and Madhuri borrowed the same sum at 24% per annum for 10 years. The ratio of their amounts is
1 : 3
2 : 1
2 : 3
2 : 5
At what rate of interest per annum will a sum double itself in 8 years, if calculated as per Simple Interest formula.
25%
None of these
Two bicyclists do the same journey by travelling respectively at the rate of 9 km an hour. The distance travelled when one taken 32 minutes longer than the other is
42 km
44 km
48 km
50 km
Marked price of an article is 20% above the CP. He allows his customers a discount and makes a profit of 8%. The rate of discount is
10 %
12 %
20 %
18 %
In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is :
1 hours
2 hours
3 hours
4 hours
If the cost of the book worth 50 is increased by 25, the rate of increase is
20%
50%
10%
If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be :
4 days
5 days
6 days
7 days
The selling price when goods which cost 65 are sold at a loss of 10% is
71.50
58.50
59.75
66.50
The rowing speed of man in still water is 20 km/h. Going downstream, he moves at the rate of 35 km/h. The rate of stream is
45 km/h
2.5 km/h
5 km/h
10 km/h
