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1. Geeta’s age is 3 years more than thrice m, the age of Meeta. Write an equation of first degree to display this information.
A. g + 3 = 3m
B. g - 3 = 3m
C. g + 3m + 3 = 0
D. g - 3m + 3 = 0
3. A linear equation in one variable is an equation of the form ...........
A. ax + b = 0, where a, b , c are real numbers
B. ax = c, where a and c are real numbers
C. by = c, where band c are real number
D. All of above
6. The number of girls x in a class is 5 less than twice the number of boys y of the same class. The linear equation in two variables for this information is
A. x + 5 = 2y
B. 2x - y = 5
C. 2y - x = -5
D. x + 2y = -5
7. The speed x of train A is twice the speed y of the train B. Express this in the form of a linear equation.
A. x = y + 2
B. x = 2y
C. x = y/2
D. x = y - 2
8. The cost of a pencil is thrice the cost of rubber. The equivalent linear equation in two variables of above statement is:
A. p = 3 -r
B. p =1/3 +r
C. p = 3r
D. p = 3 + r
12. Which of the following is a linear inequality with two variables?
A. 2x + 8y ≥ 9
B. 8x + 9y = 0
C. 10x + 7 ≤ 2
D. None of the above
13. Which of the following is not true?
A. The coefficients of x and y in a linear equation in x and y must be rational numbers.
B. There’s only one set of values of x and y that satisfy a linear equation in x and y.
C. A linear equation is an equation of first degree
D. For a linear equation in x the coefficient of y is zero.
16. For an equation ax + by + c = 0 to be a linear equation,which one of the following conditions should be satisfied?
A. a and c shouldn’t be zero at the same time
B. a and b shouldn’t be zero at the same time
C. b and c shouldn’t be zero at the same time
D. c should be non zero
17. Which of the following is a linear equation in one variable?
A. x + 5 = 6
B. 2x +3y = 0
C. x2 = 5x + 3
D. 5x = y2 + 3
20. Four times B's age exceeds A's age by twenty years.
A. 4B - A = 20
B. 3B - 2A = 18
C. 5B - 3A = 25
D. 5B - 7A = 16
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