Question

SECTION A (40 Marks )
(Attempt all questions from this section)
Question - 1
1
1
a) Find the amount and compound interest on Rs.24,000 for 112 years at
10% per annum, the interest being compounded half-yearly.
[3]
1
b) If x + = 4, find the value of i) x2 + and ii) x4 +
[4]
c) The following data have been arranged in ascending order.
18,20,25,26,30,x,37,38,39,48. If the median of the data is 35,find x. In
the above data, if 48 is replaced by 28, find the new median.
[3]

Answer 1

Answer:

Answer

P=24000Rs

n=3 because due to semi-annually 3×

2

1

months are there

r=10% but for

2

1

years r=

2

10

=5%.

Amount =P(1+

100

r

)

n

=24000(1+0.05)

3

=24000×1.05×1.05×1.05

Amount =27783

CI=27783−24000

CI=3783.