SET 2 Grade IV Maths

Q1. √9 is __________ number.
a. A rational
b. An irrational
c. Neither rational nor irrational
d. None of the above
Answer: a

Q2. A watch costing Rs. 120 was sold at a loss of 15%. At what price was it sold?
A. Rs. 112
B. Rs.102
C. Rs. 135
D. Rs. 110
Answer: Option B

Q3. Can we write 0 in the form of p/q?
a. Yes
b. No
c. Cannot be explained
d. None of the above
Answer: a

Q4. The value of √10 times √15 is equal to
a. 5√6
b. √25
c. 10√5
d. √5
Answer: a

Q5. The ratio of 43.5 ∶ 25 is same as:
a. 2 ∶ 1
b. 4 ∶ 1
c. 7 ∶ 5
d. 7 ∶ 10
Answer: b.4 ∶ 1

Q6. The equation of a line that is 5 units distance above the x-axis is
(a) x = 5
(b) x + 5 = y
(c) y – 5
(d) x – y = 0
Answer: (c) y – 5

Q7. In equation, y = mx+c, m is:
a. Intercept
b. Slope
c. Solution of equation
d. None of the above
Answer: b

Q8. The graph of the equation 2x + 3y = 6 cuts the x-axis at the point
(a) (0, 3)
(b) (3, 0)
(c) (2, 0)
(d) (0, 2)
Answer: (b) (3, 0)

Q9. A straight line passing through the points (-1, 1), (0, 0), and (1, -1) has an equation
(a) y – x
(b) x + y = 0
(c) y = 2x
(d) 2 + 3y = 7x
Answer: (b) x + y = 0

Q10. If 20% of X = 30% of Y, then X : Y = ?
a. 3 : 2
b. 2 : 3
c. 1 : 2
d. 2 : 1
Answer: a. 3 : 2