Aptitude contest - 20 with answers

[HELP]

1.
The difference between compound interest and simple interest on an
amount Rs. 15,000 for 2 years is Rs. 96. What is the rate of interest
per annum?
(a) 8
(b) 10
(c) 12
(el) Cannot be determined
(e) None of these
2. The difference between simple and compound interests compounded annually on certain sum of money for 2 years at 4% per annum is Re. 1. The sum (in Rs.) is

(a) 625
(b) 630
(c) 640
(d) 650

3.
The compound interest on a sum of money for 2 years is Rs. 832 and the
simple interest on the same sum for the same period is Rs. 800. The
difference between the compound interest and the simple interest for 3 years will be :

(a) Rs. 48
(b) Rs. 66.56
(c) Rs. 98.56
(d) None of these
4.
The difference between the simple interest on a certain sum at the rate
of 10% pe!annum for 2 years and compound tnterest which is compounded
every 6 months is Rs, 124.05. What is the principal sum ?

(a) Rs. 6000
(b) Rs. 8000
(c) Rs. 10,000
(d) Rs. 12,000
(e) None of these

5. The difference
between compound interest and simple interest on a sum for 2 yeaJ': at
10% per annum, when the interest is compounded annually is Rs. 16. If
the interes: were compounded half-yearly, the difference in two
interests would be :



(a) Rs. 24.81
(b) Rs. 26.90
(c) Rs. 31.61
(d) Rs. 32.40

Answers

1. a
2. a
3. c
4. b
5. a




Edited by: HELP

[raghu]

1. The difference between
compound interest and simple interest on an amount Rs. 15,000 for 2 years is
Rs. 96. What is the rate of interest per annum?









(a) 8




(b) 10




(c) 12




(el) Cannot be determined


(e) None of
these

[raghu]

2. The difference between simple and compound
interests compounded annually on
certain sum of money for 2 years at 4% per annum is Re. 1. The sum (in Rs.) is











(a) 625




(b) 630




(c) 640


(d) 650