Originally Posted by The Best Ever

1) A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long? = 40 sec.

2) The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number? = 96?

3) The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is? = 20.

4) The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? = 4 years.

5) A long rope has to be cut to make 23 small pieces. If it is double folded to
start with how many times does it need to be cut? = 11.

6) A sum of money is to be distributed among A, B, C, D in the proportion of 5:2:4:3. If C gets Rs. 1000 more than D, what is B's share? = Rs. 2000.

7) A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Rs. 1600 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is? = Rs. 121.

8) A man took loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was? = Rs. 15,000

9) At Bilal’s Discount Hardware everything is sold for 30% less than the price market. If Bilal’s buys tool bits for Rs. 96, What price should he marked them if he wants to make a 20% profit on his cost? = Rs. 146.

10) An office has a staff of 6 people. A certain project will take the regular staff 24 hours to complete. Assuming that all the workers will perform at this rate, How many additional workers must be employed to complete the job in 8 hours? = 12

11)If 15 workers can paint a certain number of houses in 24 days, how many days will 40 workers take, working at the same rate, to do the same job? = 9 Days