On a sale,, there is 40% discount on the market price of ₹1000, but the sale is done at ₹510 only, then what additional discount (in %) did the customer get? May 10, 2019 बाकी देखे
A,B and C can do a job working alone in 12, 16 and 24 days respectively. In how many days they can do the job if they worked together May 10, 2019 बाकी देखे