Instructions

For the following questions answer them individually

Question 61

Rani invested a sum of ₹800 in a post office for 3 years at 5% compound interest, How much will she get at the end of 3 years

Question 62

On what principal will the compound interest for 3 years at 5% per annum amount to ₹63.05?

Question 63

A is thrice as good a workman as B and therefore able to finish a piece of work in 60 days less than B. How much time will they both take to finish it together

Question 64

A does half as much work as B, and C does half as much work as A and B together. If C alone can finish the work in 40 days then together all will finish the work in?

Question 65

A train 110 m in length is travelling at the speed of 58 km/h. The time taken in which it will pass a passer by walking at the rate of 4 km/h in the same direction is

Question 66

A car can finish a certain journey in 10 hoursat a speed of 48 km/h. In orderto cover the séme distance in 8 hours, the speed of the car mustbe increased by

Question 67

In covering a certain distance, the speeds of A and B are in the ratio of 3: 4. A takes 20 minutes more than B to reach the destination. The time taken by A to reach the destination is

Question 68

A man Walks a distance at 8 km/h and returns at 6 km. If the total time taken by him is $$3\frac{1}{2}$$ hours, the total distance he walks is

Question 69

The ratio of age of Aman and his mother is 3:11 . the difference of their ages is 24 years. what will be the ratios of their ages after 3 years?

Question 70

A, B and C have amounts in the ratio of 3 : 4 : 5. First B gives $$\frac{1}{4^{th}}$$ to A and $$\frac{1}{4^{th}}$$ to C then C gives $$\frac{1}{6^{th}}$$ to A. What is the final ratio of amount of A, B and C respectively?