Bhagwanti inherited Rs 12000.00. She invested part of it as 10% and the rest at 12%. Her annual income from these investments is Rs 1280.00. How much did she invest at each rate?

Radha earns 22% of her investment. If she earns Rs 187, then how much did she invest?

A man desires to have an annual income of 36,000 from 18% at a premium of 20%. How much should he invest?

Mr. Shameem invested 33.(1)/(3)% of his savings in 20% 50rs shares quoted at 60rs and the remainder of the savings in 10% 100rs shares quoted at 110rs . If his total income from these investments is 9200rs find (i) his total savings (ii) the number of 50rs shares the number of 100rs shares

Nalini borrowed Rs. 550 from her friend at 8% per annum. She returned the amount after six months. How much did she pay?

A person invested some amount at the rate of 12% simple interest and a certain amount at the rate of 10% simple interest. He received yearly interest of Rs 130. But if he had interchanged the amounts invested, he would have received Rs 4 more as interest. How much did he invest at 12% simple interest? (a) Rs 400 (b) Rs 500 (c) Rs 700 (d) Rs 800

Divide 40608 rs into two parts such that if one part is invested in 8% 100rs shares at 8% discount and the other part is invested in 9% Rs 100 shares at 8% premium , the annual incomes from both the investments are equal.

An amount of Rs 10,000 is put into three investments at the rate of 10, 12 and 15% per annum. The combined income is Rs 1310 and the combined income of first and second investment is Rs 190 short of the income from the third. Find the investment in each using matrix method.

A man wants to invest at most 12000 in savings certificate and N.S.C. He has to invest at leat Rs. 2000 in saving certificate and at least Rs. 4000 in N.S.C. If the rate of interest on saving certificate is 8% per annum and rate of interest on N.S.C. is 10% per annum, how much money he should invest to earn maximum yearly income? Find also the maximum yearly income.

Ishita invested a sum of Rs 12000 at 5% per annum compound interest. She received an amount of Rs 13230 after n years. Find the value of n .

Gagan invested 80% of his savings in 10% 100rs shares at 20% premium and the rest of his savings in 20% 50rs shares at 20% discount. If his incomes from these shares is 5600rs calculate (i) his investment in shares on the whole (ii) the number of shares of first kind that he bought. (iii) percentage return on the shares bought on the whole