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\ 15-Nov-2024 Surender Prajapati Proof-5 Reader’s Sign _______________________ Date __________

UNIT TEST – 3

A. Choose the correct option in Questions 1 to 10.

1. The ratio equivalent to 60 : 48 is

(a) 3 : 5 (b) 4 : 7 (c) 5 : 4 (d) 9 : 17
2. 85% when converted into decimals is equal to

(a) 8.5 (b) 0.46 (c) 0.58 (d) 0.85
3. Number of lines of symmetry of an isosceles triangle is

(a) 1 (b) 2 (c) 3 (d) 4

4. In a school, there are 515 girls and 400 boys. Ratio of number of girls to that of boys is
(a) 80 : 103 (b) 103 : 80 (c) 115 : 14 (d) 14 : 115

5. A square has rotational symmetry of order

(a) 4 (b) 3 (c) 2 (d) 1
6. x % of 1700 = 867, then x is equal to

(a) 46 (b) 48 (c) 51 (d) 54
7. A basket contains 600 oranges. If 9% of the oranges are spoiled, then the number of oranges
good enough to be sold is

(a) 500 (b) 546 (c) 560 (d) 590

8. `4000 is divided among A and B in the ratio 3 : 5. A’s share is

(a) `1500 (b) `2500 (c) `3000 (d) `3500
Directions. (For Qs 9–10): In the following questions, a statement of Assertion (A) is followed
by a statement of Reason (R). Choose the correct option.

(a) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of
Assertion (A).

(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation
of Assertion (A).

(c) Assertion (A) is true but Reason (R) is false.

(d) Assertion (A) is false but Reason (R) is true.
9. Assertion: A square has four lines of symmetry.

Reason: A line of symmetry is a line that divides an object into three identical pieces.
10. Assertion: The simple interest on `2000 for 2 years at 8.5% per annum is `290.

Reason: Simple interest for a given sum of money can be calculated by using the formula
PR T
×
×
S. I. = , where P = Principal, R = Rate of interest, T = Time.
100
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