SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Mathematics

Solve graphically

x = −3, y = 3

Two cars are 100 miles apart. If they drive towards each other they will meet in 1 hour. If they drive in the same direction they will meet in 2 hours. Find their speed by using graphical method.

Solve, using the method of substitution

2x – 3y = 7, 5x + y = 9

Solve, using the method of substitution

1.5x + 0.1y = 6.2, 3x – 0.4y = 11.2

Solve, using the method of substitution

10% of x + 20% of y = 24, 3x – y = 20

Solve, using the method of substitution

`sqrt(2)x - sqrt(3)y` = 1, `sqrt(3)x - sqrt(8)y` = 0

Raman’s age is three times the sum of the ages of his two sons. After 5 years his age will be twice the sum of the ages of his two sons. Find the age of Raman.

The middle digit of a number between 100 and 1000 is zero and the sum of the other digit is 13. If the digits are reversed, the number so formed exceeds the original number by 495. Find the number

Find the value of m from the equation 2x + 3y = m. If its one solution is x = 2 and y = −2

Which of the following is a solution of the equation 2x – y = 6?

Solve by the method of elimination

2x – y = 3, 3x + y = 7

Solve by the method of elimination

x – y = 5, 3x + 2y = 25

Solve by the method of elimination

`x/10 + y/5` = 14, `x/8 + y/6` = 15

Solve by the method of elimination

3(2x + y) = 7xy, 3(x + 3y) = 11xy

Solve by the method of elimination

`4/x + 5y` = 7, `3/x + 4y` = 5

Solve by the method of elimination

13x + 11y = 70, 11x + 13y = 74

The monthly income of A and B are in the ratio 3 : 4 and their monthly expenditures are in the ratio 5 : 7. If each saves ₹ 5,000 per month, find the monthly income of each

Five years ago, a man was seven times as old as his son, while five year hence, the man will be four times as old as his son. Find their present age

Solve by cross-multiplication method

8x – 3y = 12, 5x = 2y + 7

Solve by cross-multiplication method

6x + 7y – 11 = 0, 5x + 2y = 13