1. The fourth proportional to 5, 8, 15 is:
2. If a light flashes every 6 seconds, how many times will it flash in ¾ of an hour?
3. A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
4. A man was engaged on a job for 30 days on the condition that he would get a wage of Rs. 10 for the day he works, but he have to pay a fine of Rs. 2 for each day of his absence. If he gets Rs. 216 at the end, he was absent for work for ... days.
5. If the wheel of a bicycle makes 560 revolutions in travelling 1.1 km, what is its radius?
6. A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 8 m, the volume of the box (in m3) is:
7. Five boys were climbing a hill. J was following H. R was just ahead of G. K was between G & H. They were climbing up in a column. Who was the second?
8. The value of log2 16 is:
9. (243)n/5 x 32n + 1 = ? 9n x 3n - 1
10. A student divided a number by 2/3 when he required to multiply by 3/2. Calculate the percentage of error in his result.
