Exams

The bar graph shows the debt of different countries. Study the diagram and answer the following questions.

Which country has the second lowest debt?

A train left 1 hour later than the scheduled time but in order to reach its destination 200 km away in time, it had to increase its usual speed by 10 km/hr. What is the usual speed (in km/hr) of the train?

Sumit is 28% less efficient than Amit. If Amit can make a wall in 54 days, then Sumit can complete the same work in how many days?

Which of the following statements is/are TRUE?

$$\begin{gathered} 1. 64 + 0.64 + 0.0064 = 8.88 \\ 2. 81 + 0.81 + 0.0081 = 9.09 \end{gathered}$$

The marked price of a shirt is twice of the cost price. To earn a gain of 25%, what should be the discount percentage?

A man sells two articles. The cost price of the first article is equal to the selling price of the second article. The first article is sold at a profit of 20% and the second articles is sold at a loss of 20%. What is the ratio of the selling price of the first article and the cost price of the second article?

The difference between the compound interest (compounding annually) and simple interest on a sum at the rate of 12% per annum for 2 years is Rs 360. What is the sum (in Rs)?

There are two numbers such that the first number is half of the second number. If their average is 57, then what is the first number?