MCQ Questions for Class 6 Maths: Ch 11 Algebra

MCQ Questions for Class 6 Maths: Ch 11 Algebra

1. Which out of the following are expressions with numbers only?
(a) (7 × 20) – (5 × 10) – 45
(b) 3x
(c) (7 × 20) – 8z
(d) 5 – 5n
► (a) (7 × 20) – (5 × 10) – 45

2. Perimeter of the square, whose each side is ‘n’ cm is
(a) 4n
(b) 2n
(c) 3n
(d) None of these
► (a) 4n

3. Give expression for 25 added to r.
(a) 25 + r
(b) 25 - r
(c) 25r
(d) None of these
► (a) 25 + r

4. Number of matchsticks required to make a pattern of “U”
(a) 4
(b) 5
(c) 3
(d) 6
► (c) 3

5. The _______ of the variable in an equation which satisfies the equation is called a solution to the equation.
(a) value
(b) term
(c) factor
(d) None of these
► (a) value

6. Choose a value of 'a' that satisfies the equation 6a = -30.
(a) 5
(b) 30
(c) -5
(d) 10
► (c) -5

7. Perimeter of an __________ = 3 × length of a side
(a) equilateral triangle
(b) isosceles triangle
(c) right-angled triangle
(d) None of these
► (a) equilateral triangle

8. Which of the following is an equation?
(a) 2x + 3 = 5
(b) 2x + 3 < 5
(c) 2x + 3 > 5
(d) 2x + 3 ≤ 5
► (a) 2x + 3 = 5

9. The expression for the statement: “y multiplied by 10 and then 7 added to product” is
(a) 7y – 10
(b) 10y – 7
(c) 10y + 7
(d) None of these
► (c) 10y + 7

10. An ________ is a condition on a variable.
(a) expression
(b) equation
(c) equal
(d) none of these
► (b) equation

11. Take Meena’s present age to be y years, what will be her age 5 years from now?
(a) y+5
(b) 5/y
(c) y-5
(d) 5y
► (a) y+5

12. Which of the following is the perimeter of a regular hexagon of side 's' units?
(a) 6 s units
(b) 12 s units
(c) 6 s2 sq units
(d) -6 s units
► (a) 6 s units

13. Ramu's father is thrice as old as Ramu. If father's age is 45 years, how old is Ramu?
(a) 45 years
(b) 30 years
(c) 15 years
(d) 10 years
► (c) 15 years

14. Which of the following does 2n  -1 represent?
(a) 1 subtracted from the product of n and 2.  
(b) The difference of two times n and 2.
(c) 2n added to 1.
(d) n subtracted from 2.
► (a) 1 subtracted from the product of n and 2.  

15. Perimeter of an equilateral triangle, whose each side is ‘x’ unit is
(a) 4x
(b) 2x
(c) 3+x
(d) 3x
► (d) 3x

16. Pick out the solution from the values given in the bracket next to each equation. p – 5 = 5 (0, 10, 5 – 5)
(a) 0
(b) 5
(c) -5
(d) 10
► (d) 10

17. The side of an equilateral triangle is shown by l. Express the perimeter of the equilateral triangle using l.
(a) 3l
(b) 2l
(c) l
(d) None of these
► (a) 3l

18. Pick out the solution from the values given in the bracket next to each equation. x + 4 = 2 (– 2, 0, 2, 4)
(a) -2
(b) 4
(c) 2
(d) 0
► (a) -2

19. A number is multiplied by 6 and 12 is added to the product. The result is 84. What is the number?
(a) -12
(b) 72
(c) 12
(d) -72
► (c) 12

20. Find the length of a side of an equilateral triangular garden whose perimeter is 66 m.
(a) 66 m
(b) 11 m
(c) 3 m
(d) 22 m
► (d) 22 m

21. What is the method of finding a solution by trying out various values for the variable called?
(a) Error method
(b) Trial and error method
(c) Testing method
(d) Checking method
► (b) Trial and error method

22. Number of matchsticks required to make a pattern of “A”
(a) 4
(b) 3
(c) 6
(d) 5
► (b) 3

23. A basket has x mangoes, how many mangoes are there in 5 baskets?
(a) 5
(b) 5x
(c) 6x
(d) x
► (b) 5x

24. What do literals usually represent?
(a) Known quantities
(b) Variables
(c) Constants
(d) Depends on the problem
► (b) Variables
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