The 3rd and 8th term of an arithmetic  progression are 19 and 49 respectively. What is the 13th term?

A DVD player was purchased for Rs 4860. At what price should it be sold so that 25% profit is earned?

A motor car finishes a journey in 10 hours. The first half at 21 km/hr. and the rest at 24 km/hr. Find the distance?

 A principal of Rs. 6120 becomes Rs. 8330 in 2 years when compounded annually at some rate of interest. How much will be the amount if the same principal was compounded half-yearly?

 ₹ 800 becomes ₹ 956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 4 %, what amount will ₹ 800 become in 3 years? 

A cloth merchant sold half of his cloth at a 40% profit. half of remaining at 40% loss and the rest was sold at the cost price. In the total transaction, his gain or loss will be

64329 is divided by a certain number, 175, 114 and 213 appear as three successive remainders. The devisor is