For the following questions answer them individually
In 15 consecutive natural numbers, the average of last 13 numbers is 39. What is the average of all 25 numbers?
The length and breadth of a cuboid are increased by 50 percent and 20 percent respectively. If its height is decreased by 30 percent, then what will be percentage increase in the volume of cuboid?
B1 and B2 together can complete a work in 10 days. B2 alone can complete the same work in 60 days. In how many
days B1 alone can complete the same work?
The difference between cost price and selling price of a which is Rs. 560. If profit percentage is 35 percent then what is the selling price?
A bus left 60 minutes later than the scheduled time but in order to reach its destination 150 km away in time, it had to increase its usual speed by 5 km/hr. What is the usual speed of the bus?
The average marks of 18 students was 190. But it was found that the score of one student was wrongly entered as 46 instead of 64. What is the correct average of their score?
Price of 1 kg romato is increased by 120 percent and the increase is of Rs. 720. What is the new price of the tomato per kg?
Find the greatest number which on dividing 60 and 90 leaves remainders 2 and 3 respectively.