Algebraic Expressions

Algebra Worksheet-4

1. Find the value of n. 21 – n – 5 = 13

(a) –3                 (b) 39                 (c) 29                  (d) 3

2. A farmer produced 986 kilotons of wheat in 2005. Every year he increased his production by 141 kilotons. How much wheat did he produce in 2007?

(a) 1127 kilotons                           (b) 1268 kilotons

(c) 1409 kilotons                           (d) 1242 kilotons

Algebra Worksheet-5

1. What must be subtracted from each term of the ratio 4 : 7 so that the ration becomes 2 : 5?

(a) –2                 (b) –1                  (c) 2                    (d) 1

2. Two sums of money are in the ratio 2:5. If the second sum is Rs. 95, then first sum is

(a) Rs. 28          (b) Rs. 21           (c) Rs. 42           (d) Rs. 38

Algebra Worksheet-6

1. th of a flagpole is black, th is white and the remaining three metres is painted yellow. Find the length of the flagpole.

(a)           (b)           (c) 5 km             (d) None