RRB Group-D Model Paper 14 with answers for online practice

Given :
⇒ C.P. = Cost Price = Rs.1800
⇒ Repairing Price = Rs.400
⇒ S.P. = Selling Price = Rs.2640
EXPLANATION & CALCULATIONS :
⇒ Total cost of old typewriter = Cost price + repairing price
⇒ Rs. 1800 + Rs.400
⇒ Rs. 2200
⇒Profit % = ( Selling price – Cost price ) ÷ Cost Price × 100
⇒ ( 2640 – 2200 ) ÷ 2200 × 100
⇒ 440 ÷ 2200 × 100
⇒ 20%
∴A senior citizen profit percent is 20%.