Question

did he eat?
6. Srikhar bought 15 kg of salt at Rs.14.50 per kg and 10 kg at the rate of Rs.13 per kg. He
mixed the two and sold the mixture at the rate of Rs. 15 per kg. Find the total gain %.
7. A boy bought some friendship bands at 3for a rupee and an equal number at 2 for a rupee.
At what price per dozen should he sell them to make a profit of 20%?
8. Shyam bought a radio set and spent Rs.110 on its repairs. He then sold it to Arvind at
20% profit. Arvind sold it to Ragav at a loss of 10% and Ragave sold it to Nanda for
Rs. 1188 at a profit of 10%. How much did Shyam pay for it?
9. Ajay bought 120 pencils at Rs.20 per dozen. He sold it at Rs.2 each. What is his gain or
loss percent?
10. Sandeep borrowed Rs.3000 for 4 years and Rs.8000 for 2 12 years from Sonia at the same
rate of interest. The total interest earned by Sonia is Rs.2880. Find the rate of interest.
11. What sum of money should be invested for 5 for years at 8% per annum to earn the same
interest as Rs.3600 at 10% for 4 years?
12. A sum of money amounts to Rs.3224 in 2 years and Rs.4160 in 5 years, find the sum and
rate of interest
13. A farmer borrowed Rs.2400 at 12% p.a. At the end of 2 1/2 years, he declared his account
by paying Rs. 1 200 and a cow. Find the cost of the cow.
14. The simple interest on a certain sum for 3 "2 years at 7% per annum is Rs.225 more than
the simple interest on the same sum for 4 years at 5% p.a. Find the sum.
15. Sulekha invested Rs.2000 at 5% and Rs.3000 at 4%. After certain time she found that the
difference between the interests in both the investments was Rs.80. Find the duration of
the investment.

Answer 1

Answer:

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