A dealer in Bihar supplied goods to a dealer in Mumbai. The dealer in Mumbai buys :

(i) 40 articles for ₹ 800 each at 30% discount

(ii) 75 articles for ₹ 1,000 each at 20% discount.

If the rate of GST on the whole is 12%, find how much will the dealer at Mumbai pay to dealer in Bihar.

A box is sold for ₹ 18 at a loss of 10%. When sold at a profit of 15%; its S.P. will be :

1. ₹ 17

2. ₹ 19

3. ₹ 21

4. ₹ 23

Some goods are sold at a discount of 20%. If the same goods are sold without discount, their price will change by :

1. 25% increase

2. 25% decrease

3. 20% increase

4. 20% decrease

The marked price of an article is ₹ 400. If tax on it increases from 10% to 15%, the amount of it will increase by:

1. ₹ 30

2. ₹ 40

3. ₹ 60

4. none of these