1.  X has lent some money to A at 5% pa and B at 8% pa. At the end of the year he has gain the overall interest at 7% pa.In what ratio has he lent the money to A and B ?


1:2
2:1
1:3
3:2


Answer

 Option

5………………………….8 ……………7……………. 1………………………….2 Ratio A : B = 1:2

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2.  What sum invested for 2 years at 12% compounded annually will grow to Rs. 4390.40…..


3500
3700
4000
4200


Answer

 Option

P(1+ R)^T = Amount 100 P (1+12)^2= 4390.40 100 P (112)^2 = 4390.40 100 P = 43904000= 3500. 112 x 112

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3.  What is the difference between the CI and SI on Rs.6500 at the rate of 4 pc pa in 2 yrs ?


9.4
10.4
15.4
14.5


Answer

 Option

SI = 6500*4*2/100 = 520 CI = 6500*(104/100)*(104/100) = 7030.4 = 530.4 530.4 – 520 = 10.4

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4.  What annual payment will discharge a debt of 1025 due in 2 years at the rate of 5% compound interest?


550
551.25
425
500


Answer

 Option

x /1+(5/100) + x/ 1+(5/100)^2 = 1025 20x/21 +400x/441 =1025 X= 1025*441/820 = 551.25

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5.  The Simple interest on a certain sum for 2 years at 10% per annum is Rs. 90. The corresponding compound interest is:


100
94.50
95
98


Answer

 Option

Sum = 100 x90 = Rs. 450 2 x 10 C.I. = Rs.450 x (1+10)^ 2 – 450 = Rs.94.50 100

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