Directions:Study the following table carefully to answer these questions:

Percentage of Marks obtained by six students in six subjects

What is the ratio between total marks obtained by D in Biology, Maths and English together and the total marks obtained by F in these subjects together respectively?

A took a certain sum as loan from bank at a rate of 8 % Simple Interest per annum. A lends the same amount to B at 12 % Simple interest per annum. If at the end of the five years. A made profit of Rs 800 form the deal, how much was the original sum? 

A certain sum amount to Rs.5832 in 2 year at 8% per annum at compound interest, the sum is

Ankit has three varieties of rice costing 18 Rs/kg,25 Rs/kg and 36 Rs/kg, In what possible ratio he should mix these three varieties so that on selling whole mixture at 23.10 Rs/kg he may get a profit of 10%?

If 2A = 3B = 7C = 42, then what is the value of A × B ÷ C?

If a chair sold for Rs. 600 at the profit of 20%, then the original price of the chair is:

In the year 2016, there were 52 weeks and P days. Find the value of P.