Q 1 – The solution of the equation 5/2 x = 15 is
(a) 2
(b) 4
(c) 6
(d) 10
Ans.(c) 6
Q 2 – The solution of the equation – p/7 = 3 is
(a) -3
(b) -7
(c) -21
(d) 21
Ans. (c) -21
Q 3 – The solution of the equation 2s = 0 is
(a) 2
(b) -2
(c) 0
(d) 1/2
Ans. (c) 0
Q 4 – The solution of the equation z / 2 = 34 is
(a) 1/2
(b) 3/2
(c) 1/4
(d) 3/4
Ans. (b) 3/2
Q 5 – The solution of the equation p/2+ 1 = 3 is
(a) 1
(b) 2
(c) 3
(d) 4
Ans. (d) 4
Q 6 – The solution of the equation m/3 = 3 is
(a) 3
(b) 6
(c) 9
(d) 12
Ans. (c) 9
Q 7 – The solution of the equation m/2 = 3 is
(a) 2
(b) 3
(c) 12
(d) 6
Ans. (d) 6
Q 8 – Write the following statement in the form of an equation:
The number b divided by 6 gives 5.
(a) b/6 = 5
(b) b – 5 = 6
(c) 5b = 6
(d) b + 5 = 6
Ans. (a) b/6 = 5
Q 9 – Write the following statement in the form of an equation:
One third of a number plus 2 is 3
(a) m/3 – 2 = 3
(b) m/3 + 2 = 3
(c) m/2 – 3 = 3
(d) m/2 + 3 = 3
Ans. (b) m/3 + 2 = 3
Q 10 – Write the following statement in the form of an equation:
One fourth of n is 3 more than 2
(a) n/4 – 2 = 3
(b) n/4 + 2 = 3
(c) n/2 – 4 = 3
(d) n/2 + 4 = 3
Ans. (a) n/4 – 2 = 3
Q 11 – Which of the following is not allowed in a given equation?
(a) Adding the same number to both sides of the equation.
(b) Subtracting the same number from both sides of the equation.
(c) Multiplying both sides of the equation by the same non-zero number.
(d) Dividing both sides of the equation by the same number.Ans. (d) Dividing both sides of the equation by the same number.
Q 12 – The present age of a son is half the present age of his father. Ten years ago, the father was thrice as old as his son. What are their present age?
Q 13 – A man travelled two-fifth of his journey by train, one-third by bus, one-fourth by car and the remaining 3 km on foot. What is the length of his total journey?
Thus, the required journey = 180 km.
Q 14 – If one-third of a number exceeds its one-fourth by 1, find the number.
Ans. Let the required number be x.
Q 14 – Solve the following equations and check the answers.
Ans.
