The speed of a boat in still water is 15 km/h and the speed of the current is 3 km/h. The distance travelled by the boat from point A to point B downstream is 24 km more than the distance covered by the same boat from point B to point C upstream in the same time. How much time will the boat take to travel from C to B downstream

How much money did Mr. Rajesh receive as retirement funds

I. Out of the total money received Mr. Rajesh invested 51% in various schemes, gave 35% of the total money received to his wife and remaining money he spent on miscellaneous items.

II. Out of the total money received, Mr. Rajesh spent 5% on son’s wedding and gave 35% to his wife. Out of the remaining, he invested 28% in insurance policies, 22% in pension fund scheme, 35% in share market and remaining INR 450000/- he spent on furnishing the house.

What was the initial quantity of mixture of juice and water

I. Juice and water were in the ratio of 8 : 3 respectively in the mixture initially.

II. When 11 litre of mixture is taken out and 6 litre of juice is added, the ratio between juice and water becomes 10 : 3 respectively.

In how many days can ‘B’ alone complete the work 

I. A, B and C together can complete the work in 3 9/13 days

A and B together can complete the work in 4 4/5 days. B

And C together can complete it in 6 6/7 days

II. A,  B and C together can compete the piece of work in 

3 9/13 days. A and C together can complete the work in 5 1/3 days.

What is the area of the circular field

I. Area of the largest square that can be inscribed in the given square field is 2450 cm2.

II. Area of the smallest square in which the given circular field can be inscribed is 4900 cm2.

What is the curved surface area of the right circular cylinder

I. Area of the base of the cylinder is 154 cm2

II. Volume of the cylinder is 1232 cm2