CBSE Class 8 Mathematics Linear Equations MCQ Assignment Set 02

Question. The sum of two consecutive even numbers is 182. The larger number is
(a) 92
(b) 90
(c) 88
(d) 86
Answer: (a) 92

Question. The possible value of \( x \) in the linear equation \( \frac{2}{3}x + 1 = \frac{7}{3} \) is
(a) 3
(b) 2
(c) -2
(d) -3
Answer: (b) 2

Question. The value of \( x \) in \( \frac{x}{4} + \frac{x}{6} = x - 7 \) is
(a) 10
(b) 11
(c) 12
(d) 13
Answer: (c) 12

Question. \( \frac{2}{3}\text{rd} \) of a number is 20 less than the original number. The number is
(a) 80
(b) 90
(c) 60
(d) 70
Answer: (c) 60

Question. A number whose fifth part increased by 5 is equal to its fourth part diminished by 5. The number is
(a) 100
(b) 120
(c) 80
(d) 60
Answer: (b) 120

Question. The value of \( x \) from \( \frac{3x+5}{2x+1} = \frac{1}{3} \) is
(a) 2
(b) -2
(c) 3
(d) -3
Answer: (b) -2

Question. The sum of two digit number is 15. The number formed by reversing the digits is less than the original number by 27. The number is
(a) 63
(b) 78
(c) 96
(d) 36
Answer: (c) 96

Question. A purse contains coins of Rs 2, Rs 5, Rs 10 in the ratio 1 : 2 : 3. If total worth of the coins is Rs 42. The number of Rs 10 coins are
(a) 1
(b) 2
(c) 3
(d) 4
Answer: (c) 3

Question. A is now 9 years older than B. In 10 years, A will be twice as old as B was 10 years ago. The age of A is
(a) 48 years
(b) 50 years
(c) 46 years
(d) 44 years
Answer: (a) 48 years

Question. In a fraction, twice the numerator is two more than the denominator. If 3 is added to each, the numerator and the denominator, the new fraction is \( \frac{2}{3} \). The fraction is
(a) \( \frac{5}{12} \)
(b) \( \frac{7}{12} \)
(c) \( \frac{9}{12} \)
(d) \( \frac{3}{4} \)
Answer: (b) \( \frac{7}{12} \)