Question

A shopkeeper gains profit of rs 1 by selling selling one pen and loss of 40p by selling 1 pencil . If he sells some pencils losing rs 5 in all,how much pencils will he sell?​

Answer 1

100p=1Rs

1p=1/100Rs

40p=1/100×400=.04Rs

A shop keeper suffer loss of

Rs 0.04 by selling 1 pencil

He loss Rs 1 by selling the pencil=1/.04

He loss Rs 5 by selling the pencil=1/.04×5=125 (Ans)