Set 2

A container was 3/4 full at first. After 1000 liters of water was drained away, it became 5/12 full. What is the capacity of the container (in liters)?

A book is 179 pages thick. How many digits are used to print the page numbers?

A car travelled from Singapore to Malaysia at a speed of 60km/h. It arrived at its destination in 5 hours’ time. If it were to arrive in 4 hours, at what speed must it travel?

It takes Peter 32 minutes to walk from his house to the library and back. It takes him 20 minutes to cycle there and walk back. How many minutes does it take him to cycle to and back from the library?

A truck travels at a speed of 64km/h, heading towards Town A. 3 hours later, a jeep, travelling at a speed of 96km/h, began its journey from the same place. When does the jeep catch up with the truck (in _ hours)?

Change 1 of the numbers in the equation 6/2 + 4 x 3 + 1 x 10 with such a number that the initial value of the expression would be increased by 1. How many of the numbers can be changed?

What is the smallest number that should be multiplied to make 40 x 63 x 100 a square number?

A freight train starts from Los Angeles and heads to Chicago at 40mph. 2 hours later, a passenger train leaves the same station for Chicago travelling at 60mph. How long before the passenger train catch up with the freight train (in hours)?

2 squares of side length 12 units overlap to form a 20 by 12 rectangle, as shown. Find the area of the shaded part.

How many of the products pf the numerical sequence below are divisible by 6?

                1 x 2 x 3, 2 x 3 x 4, 3 x 4 x 5, … , 98 x 99 x 100