Instructions

What will come in place of the question mark (?) in the given number series?

Instructions

**Refer to the graph and answer the given questions.Data related to number of shirts sold by two stores (A and B) during 5 months:**

Question 74

What is the respective ratio between total number of shirts sold by store B in January and February together and that by the same store in April and May together?

Question 77

If the total number of shirts sold by store A and B together in June is 20% more than that sold in March, what was the total number of shirts sold by stores A and B together in June?

Question 78

If the total number of shirts sold by stores A and B together in December is 25% less than that sold in April, what was the total number of shirts sold by stores A and B together in December?

Instructions

For the following questions answer them individually

Question 79

A starts a business with Rs. 2500. After one month from the start of the business, B joined with Rs. 4500 and A withdrew completely after eleven months from the start of the business. If the difference between Aâ€™s and Bâ€™s respective shares in the annual profit was Rs. 4800, what was the annual profit earned?

Question 80

A completes $${5 \over 6}$$ th of a given task in 10 days and is then replaced by B. The entire task is completed in 13 days. What is the respective ratio of the number of days in which A and B independently can complete the entire task?