For the following questions answer them individually
Chetan alone can do a work in 6 days working 5 hours a day. Rashmi alone can do the same work in 2 days working 10 hours a day. How many hours do they need 10 work together in a day 10 complete the same work in 4 days?
Weight of A1 is six times of A2 and A2's weight is 50 percent more than that of A1. If the average weight of all three is 299 kgs, them what is the weight of A1?
Y and Z together can complete a work in 20 days. Z alone an complete the same work in 60 days. In how many days will Y alone complete the same work?
Find the rate of discount when the marked price is ₹2280 and the selling price is ₹1482.
On a sum, simple interest at the annual rate of 10 percent for 7 years is Rs. 21630. What will be the compound interest on the same sum at the annual rate of 20 percent (compounding annually) for 2 years?
The ratio of three numbers is 9 : 8 : 7. If the sum of the three numbers is 480, then what is the largest number among the three numbers.
Two trains are moving in the same direction at the speed of 34 km/hr and 86 km/hr, their lengths are 300 metres and 480 metres respectively. What will be the time taken by faster train to cross the slower train?