Ramesh deposited ₹ 15600 in a fixed deposit at the rate of 10 % per annum simple interest. After every second year, he adds his interest earnings to the principal. The interest at the end of fourth year is 

If tan⁴θ + tan²θ = 1, then the value of cos⁴θ + cos²θ is

The HCF of 156, 312 and 195 is :

Alex sold his goods after announcing two successive discounts of 30% each. The effective discount altogether is-

Direction : Given here is a multiple bar diagram of the scores of four players in two innings. Study the diagram and answer the questions.

The average runs in two innings of the player who has scored minimum in the second innings are : 

By selling a pen for Rs 105 there is a loss of 30%. At what price (in Rs) the pen must be sold in order to gain 30%?

A, B, C completes 37.5%, 44.44%, 66.66% of a work in 9 days, 8 days, 8 days respectively. Then find how many days they take to complete 65% of work together?