×

A.Rs. 63.5

B.Rs. 62

C.Rs. 61.5

D.Rs. 64

**Answer:**C. Rs. 61.5

**Explanation:**

Sum, P =

Amount after 2 years on Rs.600 at 5% per annum when interest is compounded annually
100×SI
/
RT

=
100×60
/
5×2

=Rs. 600
= P(1+
^{T}

=600(1+^{2}

R
/
100

)=600(1+

5
/
100

)
=600(
^{2}=

Compound Interest = 661.5 - 600 = 61.5
105
/
100

)
600×105×105
/
100×100

=
6×105×105
/
100

=Rs. 661.5
A.Rs. 3

B.Rs. 2.25

C.Rs. 4.5

D.Rs. 4

**Answer:**B. Rs. 2.25

**Explanation:**

Simple Interest =

Amount after 1 year on Rs.900 at 10% per annum when interest is reckoned half-yearly
PRT
/
100

=
900×10×1
/
100

= Rs. 90
=P(1+
^{2T} = 900(1+
^{2 x 1}

(R/2)
/
100

)
(10/2)
/
100

)
900 ( 1 +
^{2} = 900(
^{2} = Rs. 992.25

Compound Interest = 992.25 - 900 = 92.25
5
/
100

)
105
/
100

)Required difference between simple interest and compound interest = 92.25 - 90 = Rs.2.25

A.Rs. 8510

B.Rs. 8620

C.Rs. 8730

D.Rs. 8820

**Answer:**D. Rs. 8820

**Explanation:**

(8000×(1+
^{2})

5
/
100

)
8000 x

21
/
20

x
21
/
20

=8820
A)6.06%

B) 6.07%

C) 6.08%

D) 6.09%

**Answer:**D) 6.09%

**Explanation:**

Amount of Rs. 100 for 1 year
when compounded half-yearly

= Rs.[100 x (1 +
^{2} ] = Rs. 106.09

Effective rate = (106.09 - 100)% = 6.09%
3
/
100

)A)Rs. 2.50

B)Rs. 3

C)Rs. 3.75

D) Rs. 4

**Answer:**B)Rs. 3

**Explanation:**

S.I. = Rs (

1200 x 10 x 1
/
100

= Rs. 120.
C.I. = Rs.[1200 x (1 +
^{2} - 1200 ] = = Rs. 123.

Difference = Rs. (123 - 120) = Rs. 3.
5
/
100

)