many times will the buttons of a typewriter be pressed to write the numbers 121 to 1346?

Directions: Study the following information carefully and answer the questions given below.
 In the table, the percentage of shirts (formal and casual) sold out of the total number of shirts sold in the week and the number of casual shirts sold data related to the number of shirts sold on ve weekdays – Monday, Tuesday, Wednesday, Thursday and Friday are given.

 Total number of shirts sold in the week = x Note: Total number of shirts sold on Saturday and Sunday together = 72

The number of casual shirts sold on Thursday is what per cent more than the number of formal shirts sold on Tuesday?

  $$25\% \ of (50\% \ of \ 30\% \ of \ 150)\over 40\% of \ 2250$$ is equal to:

A basket contains 300 mangoes. 75 Mangoes were distributed among some student. Find the percentage of mangoes left in the basket.

Directions:  Study the bar-graph given below & answer the questions.
Pie-chart given below shows the percentage distribution of total no. of boys in six different Schools.
Total Boys in all schools together = 6400

What is the average of total no. of boys in school A, C and F?

Study the given graph and answer the question that follows.

In how many years was the revenue of the company more than 1.2 times the average expenditure over the given five years?

Nisha bought a number of oranges at 2 for a rupee and an equal number at 3 for a rupee. To make a profit of 20% she should sell a dozen for

Average present ages of A, B and C is 25 years. The ratio of the present ages of B and C is 4:5. After 6 years, the ratio will be B and C is 5:6, then what is the present age of A?