Amount invested by C is Rs 4000 more than that of A and after 9 months, A and C both withdrew their whole amount and B joined the business with Rs. 24,000. If at the end of year, ratio of profit share of A to that of C is 2: 3 then, find profit share by B out of total profit of Rs 14000? 

Average salary of Santosh and Renu is Rs 3600. If salary of Santosh and Renu is increased by 50% and 30% respectively then their total salary is increased by 35% then find salary of Renu is what percent more or less than salary of Santosh before increment?

A scooter was purchased for Rs 30,000 and Rs 3,000 was spent to repair it. It was sold for Rs 39,600. What was the profit percentage?

An amount doubles itself in 5 years with simple interest. What is the rate of interest per year?

Directions : What will come in the place of the question mark (?) in the following number series?

2  4  11  37  ? 

Ramesh can do a work in 21 days and Mahesh in 42 days. If they work on it together for 7 days, then what fraction of work is left?

Direction : What should come in place of the question (?) in the following question.

8934 – 3257 + 481 = ? + 2578