Question

3. Sudhir saves 15% of his income per month. If he saves Rs 330 per month, find Sudhir's income
4. An alloy of tin and nickel consists of 25 parts of tin and 100 parts of nickel. Find the percentage of
tin and nickel in the alloy.
5. Find the cost price when selling price is Rs 364 and gain is 12%.
6. Bananas are bought at the rate of 4 for Rs 3. At what rate must they be sold to gain 20%?
7. Aman sold a second hand scooter for Rs 16575 at a loss of 25%. Find the C.P. of the scooter
8. If the C.P. of 5 articles is equal to the S.P. of 6 articles, find the loss per cent.
9. An article was sold for Rs 1230 after deducting a discount of Rs 270. Find the M.P. and percentage
of discount allowed.
10. What price should a shopkeeper mark on an article which costs him Rs 400, to gain 10% afer
allowing a discount of 12%.​

Answer 1

3rd ka 2200 hoga

Step-by-step explanation:

let his total income be x

he saves money 15 percentage of his salary which is equal to 330

15/100 × x=330

hence x=330×100/15

=2200 ans