For the following questions answer them individually
One third pan of a certain journey is covered at the speed of 22 km/hr, one fourth part at the speed of 33 km/hr and the rest part at the speed of 55 km/hr. What will be the average speed for the whole journey?
R and S can comple1e a work in 15 days and 60 days respectively. They work on alternate days one at a time and R works on the first day. In how many days the whole work will be completed?
Out of four numbers, the average of the first three is 24 and that of the last three is 29. If the last numbers is 33, then find the first number.
The marked price of an article is Rs. 2280. If a discount of 40 percem is given, then what will be the selling price of the article?
A sum becomes 3.24 times of itself in 2 years when invested at compound interest (compounding annually). What is the annual rate of interest?
The average of A and B is 30. The average of B and C is 60. What is the difference between C and A?
If 60 is subtracted from a number, then number becomes 85 percent of itself. What is the number?
Two numbers are in the ratio 49 : 64. If both numbers are increased by 10, then their ratio becomes 54 : 69. What is the difference between the two numbers?
Three friends can build a wall in 5 days. If two more friends join, how many days will it take to complete the same wall?