Question

Cost of an egg is RS.2.50 .How much Will two and a half dozen cost?

Answer 1

1 dozen =12

:. 1 and a half dozen = 12 + 12/2

= 12+6 = 18

Hence there are 18 eggs in a dozen and half

Now,

$18 \times 2.50 = 45$

Answer = Rs. 45