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If Rs. 7500 are borrowed at C. I at the rate of 4 % per annum then after 2 years, the amount to be paid is ?
A. Rs. 8112
B. Rs. 8100
C. Rs. 8082
D. Rs. 7800Amount = Rs. [7500 (1 +4/100)2]
= Rs. [7500 × 26/25 × 26/25] = Rs.8112
Simple Interest on a sum at 4% per annum for 2 years is 80. The compound interest on the same sum for the same period is ?
A. Rs. 1081.60
B. Rs. 101.66
C. Rs. 81.60
D. Rs. 160Rs. 800 at 5 % Per annum compound interest will amount to Rs. 882 in ?
A. 2 years
B. 4 Years
C. 1 Year
D. 3 YearsTime be t years 882 = 800 (1 +5/100) t
=> 882/800 =(21/20) t
(21/20) 2 = (21/20) t
=> t = 2 Therefore,
Time = 2 years
What is the principle amount which earns Rs.132 as compound interest for the second year at 10 % per annum ?
A. Rs. 1720
B. Rs. 1000
C. Rs. 1200
D. Rs. 1120Difference between the compound interest and the simple interest on a certain sum at 5 % per annum for 2 years is Rs. 1.50. The sum is ?
A. Rs.400
B. Rs.300
C. Rs.600
D. Rs.500S.I = Rs.(1000/100) =Rs.10
C.I = Rs.[{100 × (1 +5/100) 2} – 100] =Rs.41/4
Difference C.I amd S. I = Rs.(41/4 – 10) =Rs.25
25 : 1.50 : : 100 : x
Therefore x = ((1.50 ×100)/25) = Rs.600Difference between simple interest and compound interest at the same rate for Rs.5000 for 2 years is Rs. 72. The rate of interest is ?
A. 12 %
B. 8 %
C. 10 %
D. 6 %5000 × (1 +R/100) 2 – 5000 –(10000R/100)= 72
=> 5000 [(1 + R/100) 2 – 1 – R/50] = 72
=> 1 + R2/100 + 2R/100 – 1 – R/50 = 72/5000
=> R2 = (72/5000 × 10000) = 144 or R =12%A sum of money amounts to Rs. 10648 in 3years and Rs. 9680 in 2 years. The rate of interest is ?
A. 15 %
B. 20 %
C. 5 %
D. 10 %P(1 + R/100) 3 = 10648 – (i)
P(1 + R/100) 2 = 9680 – (ii)
By dividing (i) and (ii)
(1 +R/100) = 10648/9680 Or
R/100 = 968/9680 = 1/10 or
R = 10 %A sum amounts to Rs. 2916 in 2 years and to Rs.3149.28 in 3 years at compound Interest. The sum is ?
A. Rs.2500
B. Rs.3000
C. Rs.1500
D. Rs.2000P be the principle and R % per annum be rate
P(1 + R/100)3 = 3149.28 – (i)
P(1 + R/100)2 = 2916 – (ii)
By dividing (i) and (ii)
(1 + R/100) = 3149.28/2916 R/100 = 233.28/2916
or R =233.28/2916 x 100 = 8 %
P(1 +8/100)2 = 2916 or
P × 27/25 × 27/25 = 2916
Or = 1822500/729= Rs.2500A sum of money becomes Rs.6690 after three years and Rs.10.035 after six years on compound interest. The sum is ?
A. Rs.4460
B. Rs.4520
C. Rs.4400
D. Rs.4445P(1 + R/100)3 = 6690 – (i)
P(1 + R/100)2 = 10, 035 – (ii)
By dividing (i) and (ii)
(1 + R/100)3 = 10035/6690 = 3/2
Therefore, P = (6690 x 2/3) = Rs. 4460Difference between the simple interest and the compound interest on Rs 5000 at 10% P.a for 3 years is :____ ?
A. Rs 150
B. Rs 165
C. Rs 145
D. None of these