For the following questions answer them individually
The diameter of a wheel is 49 cm. The number of revolutions in which it will have to cover a distance of 770 m, is:
Anil bought some articles at 6 for ₹ 8 and sold them at 10 for ₹ 12. His percentage loss orgain is:
If a + 3b = 12 and ab = 9, then the value of (a - 3b) is:
Given bar graph shows, total expenditure and the gross receipts of a company (in ₹ crores). Study the graph and answer the question that follows.
In order to make a profit of 20%, what should have been the gross receipts (in crore ₹) in 1995-96, if the total expenditure remained the same?
If $$\operatorname{cosec}^2x-2=0$$, then the value of $$x(0 < x < 90^\circ)$$ is:
Given bar graph shows, total expenditure and the gross receipts of a company (in ₹ crores). Study the graph and answer the question that follows.
The total expenditure of the company in 1998-99 exceeds that in 1994-95 by (in ₹ crore):
If $$a^2+\frac{2}{a^2}=16$$, then find the value of $$\frac{72a^2}{a^4+2+8a^2}$$
The average of 24 numbers is 26. The average of the first 15 numbers is 23 and that of the last 8 number is 33. Find the 16$$^{th}$$ number.
The printed price of a cooker is ₹ 2,000, and discounts are 30%, 20% and 10%, respectively. Find the selling price of the cooker.
If a : b = 3 : 4, find the value of (7a - 4b) : (8a + 4b).