Direction (66-70): What should come in place of the question mark(?) in the following number series?

4    6    14    44  ?   892

If U+V=80 and U:V=5:3 then find out the U-V.

The ratio of the present age of P and Q is 2: 3. The ratio of their age after 18 years will be 4: 5. What is the present age of Q?

The greatest number that can be subtracted from 10000 so that the remainder may be divisible by 32, 36, 48 and 54 is-

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

Sides of a triangle are 13 cm, 84 cm and 85 cm. Find its area(in square cm)?

 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?