Question

3. Two numbers are respectively 20% and 40% more than a third number. What
is the ratio of two numbers?
4. If the price of an article is reduced by 20%, by what percent the consumption
be increased to keep the expenditure unaltered?
5. A tution class sent 120 candidates for examination. The result was 80%. How
many candidates should be detained to get 96% result?
6. In an examination, a candidate who secures 25% marks fails by 60 marks,
while another candidate who secures 42% marks, gets 8 marks more than
necessary for passing. What are the maximum marks and the percentage
necessary for passing (NDA 1973)
7. A mixture of 70 litres of milk and water contains 10% of water. How much
1
water must be added to make water 12%?
?
2
8. What will be the rate of simple interest if a certain sum of money increases
by 60% in 5 years?
9. A reduction of 20% in sugar price enables one to get 4 kg sugar more for Rs
60. What was the original price of sugar?​

Answer 1

Answer:

what ? i din,t get you

Step-by-step explanation:

pls send your question clearly will you