1. In a mixture 60 litres, the ratio of milk and water 2 : 1. If the this ratio is to be 1 : 2, then the quanity of water to be further added is:


2. 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 :


3. 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.


4. Which of the following statements drawn from the given statements are correct? Given: All watches sold in that shop are of high standard. Some of the HMT watches are sold in that shop.


5. The fourth proportional to 5, 8, 15 is:


6. If the wheel of a bicycle makes 560 revolutions in travelling 1.1 km, what is its radius?


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 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


9. Find out the wrong number in the series. 1, 3, 10, 21, 64, 129, 356, 777


10. The value of log2 16 is: