1. It was calculated that 75 men could complete a piece of work in 20 days. When work was scheduled to commence, it was found necessary to send 25 men to another project. How much longer will it take to complete the work?
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. Sum of three even consecutive numbers is 48, which is the least number
4. 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.
5. 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:
6. A student divided a number by 2/3 when he required to multiply by 3/2. Calculate the percentage of error in his result.
7. All men are vertebrates. Some mammals are vertebrates. Which of the following conclusions drawn from the above statement is correct.
8. Find out the wrong number in the series. 1, 3, 10, 21, 64, 129, 356, 777
9. What was the day of the week on 28th May, 2006?
10. A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :
