Question

If the cost of 12 pens is Rs 138, then the cost of 14 such pens is
(a) Rs 164
(b) Rs 161
(c) Rs 118.30
(d) Rs 123.50

Answer 1

(b) Rs 161
Cost of 12 pens = Rs 138
Cost of 1 pen = Rs 138
12
Cost of 14 pens = Rs 138 × 14 = Rs 1932 = Rs 161
12 12