A cricketer had a certain average of runs for his 64 innings. In his 65th innings, he is bowled out for no score on his part. This brings down his average by 2 runs. His new average of runs is: 

A and B can complete a work together in 48 days. A is 4 times as work efficient as B. In how many days can B alone complete the work?

If two persons, with equal abilities, can do two jobs in two days then 100 persons with equal abilities can do 100 similar jobs in 

Rizwan has a box in which he kept red and blue marbles. The red marbles and blue marbles were in the ratio 5:4. After he Lost 5 red marbles the ratio become 10:9. How many marbles does he have now?

Directions : What will come in the place of the question mark (?) in the following number series?

100  99  95  86  ? 

A cow was sold at 8% profit. If it were bought at 20% less and sold at 40% profit, then the owner would gain ₹ 640 more. Find the initial cost price of the cow.

What will be the day of a week on 2 September 1990?

12 men complete a work in 18 days. Six days after they had started working, 4 men joined them. How many days will all of them take to complete the remaining work?