Direction: Study the following table carefully to answer these questions.

Number of students appeared from school E in 2004 is approximately what per cent of the total number of students appeared from all the schools together in that year? 

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 sum of Rs 5,000 amounts to Rs 7,200 in 8 years at a certain rate percent p.a, interest compounded yearly. What will be the compound interest on a sum of Rs.6,550 in 4 years at the same rate of interest?

What will come in place of the question mark (?) in each of the following series?

 15     12    17  10     ?    8    21     6 

In a mixture of milk and water milk is found to be 28%. When 16 litre water is added in the mixture new percentage of milk in mixture becomes 20%. Find the initial quantity of mixture.

On what sum does the difference between the compound interest and the simple interest for 3 years at 10 % is Rs 31?

If a : b=2 : 5, b:c=4 : 7 and c : d=9 : 14, then Find out the value of a : b : c : d=?

A and B entered into a partnership by investing Rs. 8000 and Rs. 6000 respectively. After 8 months, A withdrew half his investment while B invested 1.5 times more of his investment more and C joined the partnership with Rs. 12000. Find the profit share of C after 1 year if A got Rs. 8000 as profit.