Model Questions for SSC CHSL (SET-89) ARITHMETIC

1. The ratio of income and expenditure of a person is 11 : 10. If he saves IRS. 9,000 per annum. his monthly income is:

(a) Rs. 8,000
(b) Rs. 8,800
(c) Rs. 8,500
(d) Rs. 8,250

2. If W1 : W2 = 2 : 3 and W1 : W3 = 1 : 2 then W2 : W3 is:

(a) 3 : 4
(b) 4 : 3
(c) 2 : 3
(d) 4 : 5

3. A copper wire of length 36 m and diameter 2 mm is melted to form a sphere. The radius of the sphere (in cm) is:

(a) 2.5
(b) 3
(c) 3.5
(d) 4

4. The ratio of the radii of two wheels is 3 : 4. The ratio of their circumferences is:

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

5. If the length of a rectangle is increased by 10% and its breadth is decreased by 10%, the change in its area will be:

(a) 1% increase
(b) 1% decrease
(c) 10% increase
(d) No change

Printed Study Kit for SSC CHSL (10+2) Exam