By selling 8 items, a shopkeeper gains the selling price of 2 items. The gain percentage of the shopkeeper is:
The diameter of the base of a right circular cylinder is 36 cm and its height is 21cm. Find the volume of the cylinder.\(\text{(use } \pi = \frac{22}{7}\text{)}\)
Rupees 66,000 is to be divided amongst Asha, Bhupinder and Gargi in such a way that the ratio of their shares is to be:
Asha : Bhupinder =9:5
Bhupinder : Gargi = 2:1
How mcuh should Asha get?
The table below shows the marks obtained by students A, B and C in French and Geography in an examination.
The maximum marks for each subject are 100. Study the table carefully and answer the question that follows.
| Student | French | Geography |
| A | 98 | 100 |
| B | 89 | 98 |
| C | 92 | 99 |
What is the ratio of the average marks of the three students in Geography to that in French?
A contractor reduces the working time of a week (Monday to Saturday) from 48 hours to 36 hours for his workers without changing the payment. What is the % increase in the hourly rate?
\(30\tfrac{1}{3}\%\)
\(33\tfrac{1}{3}\%\)
\(67\tfrac{2}{3}\%\)
\(70\tfrac{2}{3}\%\)
The length of the median of an equilateral trangle is \(6\sqrt{3}\ \text{cm}\). The area of the traingle is:
\(36\sqrt{3}\ \text{cm}^2\)
\(36\ \text{cm}^2\)
\(72\ \text{cm}^2\)
\(72\sqrt{3}\ \text{cm}^2\)