Question

I am round,black in colour and mainly used for tempering.what is name of the seed - U- - A- -.And what is the use of that seed​

Answer 1

Answer:

shopkeeper gains on each packet of biscuit and loses 40 paise on each packet of chips. He sells 45 packets of

1. bescuits and some pacetes of chips lossing 5 rs of all how many packet does he sall