When simple interest is charged a certain principle amounts to Rs. 7400 in 4 years and Rs. 9200 in 7 years. Then the rate of interest is ………………

The age of a woman is four times the age of her daughter. Five years hence, the age of the women will be three times the age of her daughter. The present age of daughter is …………

If x, y and $y-\frac{1}{x}y-\backslash frac\{1\}\{x\}$ are not zero, then $\frac{x-\frac{1}{y}}{y-\frac{1}{x}}\backslash frac\{x-\backslash frac\{1\}\{y\}\}\{y-\backslash frac\{1\}\{x\}\}$ equals to ……………

The solution of $\sqrt{5x-1}+\sqrt{x-1}=2\backslash sqrt\{5x-1\}+\backslash sqrt\; \{x-1\}\; =\; 2$ is ……………

If $\frac{x}{b}=\frac{y}{a},bx+ay=a^2+b^2\backslash frac\{x\}\{b\}=\backslash frac\{y\}\{a\}\; ,\; bx+ay\; =\; a^2+b^2$ then the values of (x, y) are …………

The coordinates of the points where the lines 3x – y = 5, 6x – y = 10 meet the Y – axis ………

A toy train crosses 210m and 122m long tunnels in 25 and 17 seconds respectively with the same speed. The length of the train is …………

Two numbers are such that their difference, their sum and their product are to one another is 1 : 7 : 24. The product of two numbers is

The solution of the system of equations given by $\frac{x+y-8}{2}=\frac{x+2y-14}{3}=\frac{3x+y-12}{11}\backslash frac\{x+y-8\}\{2\}=\backslash frac\{x+2y-14\}\{3\}=\backslash frac\{3x+y-12\}\{11\}$ is ……………

The denominator of a rational number is greater than its numerator by 3. If 3 is subtracted from the numerator and 2 is added to the denominator the new number becomes $\frac{1}{5}\backslash frac\{1\}\{5\}$ . Then the original number was ……………