1. The fourth proportional to 5, 8, 15 is:
2. I drove 60 km at 30 kmph and then an additional 60 km at 50 kmph. Compute my average speed over my 120 km.
3. If the wheel of a bicycle makes 560 revolutions in travelling 1.1 km, what is its radius?
4. A software engineer has the capability of thinking 100 lines of code in five minutes and can type 100 lines of code in 10 minutes. He takes a break for five minutes after every ten minutes. How many lines of codes will he complete typing after an hour?
5. A man bought a horse and a cart. If he sold the horse at 10 % loss and the cart at 20 % gain, he would not lose anything; but if he sold the horse at 5% loss and the cart at 5% gain, he would lose Rs. 10 in the bargain. The amount paid by him was Rs._______ for the horse and Rs.________ for the cart.
6. The reflex angle between the hands of a clock at 10.25 is:
7. Find out the wrong number in the series. 1, 3, 10, 21, 64, 129, 356, 777
8. A student divided a number by 2/3 when he required to multiply by 3/2. Calculate the percentage of error in his result.
9. In how many ways can the letters of the word 'LEADER' be arranged?
10. The value of 0.1 x 0.1 x 0.1 + 0.02 x 0.02 x 0.02 is: 0.2 x 0.2 x 0.2 + 0.04 x 0.04 x 0.04
