A cricketer scored some runs in his 21st..
A cricketer scored some runs in his 21st innings, as a result, his average runs increased by 3. If the present average run is 40, how many runs he scored in the final innings?
The average weight of 47 balls is 4 g…
The average weight of 47 balls is 4 g. if the weight of the bag (in which the balls are kept) be included; the calculated average weight per ball increases by 0.3 g. What is the...
19 people went to a hotel for combine dinner.
19 people went to a hotel for combine dinner party 13 of them spent Rs. 79 each on their dinner and rest spent 4 more than the average expenditure of all the 19. What was the...
A school has only four classes that contain 10
A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentage of these classes are 20%, 30%, 60% and 100% respectively. Find the pass % of the entire school.
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A can complete a piece of work in 18 days
A can complete a piece of work in 18 days, B in 20 days and C in 30 days, B and C...
