Ratio & Proportion

Ratio & Proportion Worksheet-1

1. If A : B = 5 : 7 and B : C = 6 : 11, then A : B : C is:

(a) 55 : 77 : 66                               (b) 30 : 42 : 77

(c) 35 : 49 : 42                              (d) None of these

2. If A: B = 3: 4 and B : C = 8 : 9, then A : C is :

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

Ratio & Proportion Worksheet-2

1. If (4x² – 3y²) : (2x² + 5y²) = 12 : 19, then (x : y) is:

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

2. If x² + 4y² = 4xy, then x : y is:

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

Ratio & Proportion Worksheet-3

1. Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's present salary?

(a) Rs. 17,000                               (b) Rs. 20,000

(c) Rs. 25,500                               (d) None of these

2. If Rs. 510 be divided among A, B, C in such a way that A gets of what B gets and B gets   of what C gets, then their shares are respectively:

(a) Rs. 120, Rs. 240. Rs. 150     (b) Rs. 60, Rs. 90, Rs. 360