## 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