Hello Aspirants. Welcome to Online Maths in AffairsCloud.com. Here we are creating question sample in Compound Interest, which is common for all the IBPS, SBI exam and other competitive exams. We have included Some questions that are repeatedly asked in exams !! C) Rs 1000 D) Rs 10,368 E) Rs 3915.6
A) Rs 1420
B) Rs 1325
C) Rs 1000
D) Rs 1405
E) Rs 1375
Explanation:
Diff = 960-800 = 160
r = 2*Diff*100/SI
So r = 2*160*100/800 = 40%
Now 160 = Pr2/1002
A) Rs
11,498
B) Rs 10,352
C) Rs 9,368
D) Rs 10,368
E) None of these
Explanation:
6000[1 + r/100]3 = 7200
So [1 + r/100]3 = 6/5
So 6000[1 + r/100]9 = 6000*(6/5)*(6/5)*(6/5)
A) Rs 4254.5
B) Rs 3465.2
C) Rs 3485.2
D) Rs 4345.4
E) Rs 3915.6
Explanation:
Amount after 1 yr = 4000[1 + 8/100] = 4320
Paid 500, so P = 4320 – 500 = 3820
Amount after 2nd yr = 3820[1 + 8/100] = 4125.6
So P= 4125.6-500 = 3625.6
Amount after 3rd yr = 3625.6[1 + 8/100] = 3915.6
A) Rs 25,600
B) Rs 20,000
C) Rs 26,040
D) Rs 40,500
E) None of these
B) Rs 20,000
Explanation:
P[1 + (r/2)/100]4 – P[1 + r/100]2 = 482
P[1 + 10/100]4 – P[1 + 20/100]2 = 482
Solve, P = 20,000
A) 10%
B) 8%
C) 8.5%
D) 9%
E) 9.2%
B) 8%
Explanation:
Difference in interest for both yrs = 172.8 – 160 = 12.8
So (r/100)*160 = 12.8
A) Rs 32,000
B) Rs 28,000
C) Rs 31,500
D) Rs 32,500
E) None of these
A) Rs 32,000
Explanation:
P[1 + r/100]3 = 37,044, and P[1 + r/100]2 = 35,280
Divide both equations, [1 + r/100] = 37044/35280 = 21/20
So P[21/20]2 = 35280
A) Rs 32,000
B) Rs 28,000
C) Rs 31,500
D) Rs 32,500
E) None of these
A) Rs 32,000
Explanation:
[P[1 + 5/100]3 – P] – P*4*4/100 = 76
P [9261/8000 – 1 – 16/100] = 76
A) 20 3/4%
B) 17 2/5%
C) 18 2/11%
D) 22 1/5%
E) 24 5/6%
C) 18 2/11%
Explanation:
Difference in 3 yrs = Pr2(300+r)/1003
Difference in 2 yrs = Pr2/1002
So Pr2(300+r)/1003 / Pr2/1002 = 35/11 (300+r)/100 = 35/11
A) Rs 1650
B) Rs 2340
C) Rs 2630
D) Rs 1640
E) Rs 2640
D) Rs 1640
Explanation:
P = 882/[1 + 5/100] + 882/[1 + 5/100]2
A) Rs 2475
B) Rs 1875
C) Rs 2175
D) Rs 1935
E) Rs 2028
B) Rs 1875
Explanation:
A’s share = (1 + 4/100)7
B’s share = (1 + 4/100)9
Divide both, B/A = (1 + 4/100)2 = 676/625
So A’s share = 625/(676+625) * 3903
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