# Aptitude Questions : Simple Interest Set 1

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# Aptitude Questions : Simple Interest Set 1

Q.1) Graham lent sum of Rs.840 to Rajesh in the beginning of the year at a certain rate of interest. After 6 months Rs.420 is lent to the same person but the rate of interest is twice the former. At the end of the year Rs.80 is earned as total interest by graham then what is the original rate of interest.

(a) 7.85%

(b) 5.45%

(c) 6.34%

(d) 7.46%

(e) 5.64%

Q.2) What annual instalment will discharge a debt of Rs.1053 due in 3 years at 8% simple interest?

(a) 324

(b) 325

(c) 320

(d) 330

(e) 328

Q.3) Stokes gave a loan of Rs. 400 to Rashid and recovered it at the rate of Rs. Rs.100 each month for six months, commencing from the end of 1st month. What is the effective rate of simple interest per annum?

(a) 115%

(b) 100%

(c) 95%

(d) 80%

(e) 50%

Q.4) Find the amount of equal instalment, annual payment of which will discharge a debt of Rs. 406 due in 2 years at 3% p.a. of Simple interest.

(a) 240

(b) 234

(c) 334

(d) 200

(e) 340

Q.5) Find the amount of debt that will be discharged by equal installments of Rs. 150 each, if the debt is due in 4 year at 2% p.a.

(a) 618

(b) 634

(c) 674

(d) 650

(e) 640

Q.6) Vidal borrows Rs. 50,000 from a bank at 5% p.a. simple interest and clears the debt in five years. If the installments paid at the end of the first, second, third and fourth years to clear the debt are Rs. 5,000, Rs. 10,000, Rs. 15,000 and Rs. 20,000 respectively, what amount should be paid at the end of the fifth year to clear the debt?

(a) Rs 8,000

(b) Rs 7,500

(c) Rs 7,000

(d) Rs 5,900

(e) Rs 6,000

Q.7) The simple interest on a sum of money will be Rs.900 after 8 years. If the principal is tripled for the last 4 years, what will be the total interest at the end of the 8^{th} year?

(a) Rs.600

(b) Rs.900

(c) Rs.1200

(d) Rs.1800

(e) Data inadequate

Q.8) A certain sum of money at simple interest amounts to Rs.1100 in 3 years and to Rs.1460 in 6 years. The rate percent per annum is:

(a) 27%

(b) 16%

(c) 25%

(d) 11%

(e) 34%

Q.9) Two equal amounts of money are deposited in two banks, each at 9% per annum, for 4 1/2 and 6 1/2 years. If the difference between their interests is Rs.288, each sum is:

(a) Rs.1600

(b) Rs.1500

(c) Rs.1640

(d) Rs.1720

(e) Rs.1540

Q.10) Rajesh has a total of Rs.42,000. And in that, he lends Rs.8,000 at 9/2% per annum simple interest and Rs.12,000 at 8% per annum simple interest. He lends the remaining money at a certain rate of interest so that he gets total interest of Rs. 3600 at the end of one year. The rate of interest per annum, at which the remaining money is lent, is?

(a) 11.50%

(b) 10.36%

(c) 8.54%

(d) 9.65%

(e) 12.24%