The table given below shows the income and expenditure of a company in five years.
| Years | Income | Expenditure |
| A | 350 | 150 |
| B | 250 | 100 |
| C | 200 | 150 |
| D | 400 | 100 |
| E | 150 | 75 |
Saving = Income − Expenditure
What is the average saving in all years?
A shopkeeper has a sale of Rs.10,000, Rs.7,500, Rs.8,000 and Rs.10,500 for 4 consecutive months. How much sale must he have in the fifth month so he gets an average sale of Rs.9,000 in five months?
The line chart given below shows the production of bike and truck by five companies L, M, N, O and P.
Which of the following statement is correct?
I. The ratio of production of bike to the production of truck by company M are 7 : 4.
II. The difference between average of production of bike and truck by all companies is 10.
what is the value of cotθ when θ is 60°?
A sum of Rs.1,248 is to be distributed among Ridhaan and Vihaan in the proportion of 2 : 3. What is the share of Vihaan?
What is the expansion of (x + 11) (x - 11) ?