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Data Interpretation
Directions (1 – 5): Study the following information carefully and answer the given questions?
The following table shows the amount invested by 5 different persons, the number of years and the rate of interest and the total amount received using simple interest. Some values are missing here.
1) Find the difference between the amount invested by the person B to that of person D?
a) Rs. 20000
b) Rs. 24000
c) Rs. 16000
d) Rs. 18000
e) None of these
2) Find the ratio between the rate of interest of person A to that of person C?
a) 3: 5
b) 11: 17
c) 23: 15
d) 5: 9
e) None of these
3) Find the average amount received by all the given persons together?
a) Rs. 35612
b) Rs. 33985
c) Rs. 35936
d) Rs. 34008
e) None of these
4) Find the number of years the amount invested by person C?
a) 3 years
b) 4 years
c) 5 years
d) 2 years
e) None of these
5) Find the difference between the average rate of interest for person A, B and C together to that of the person A, D and E together?
a) 8 %
b) 5 %
c) 3 %
d) 6 %
e) None of these
Number series
Directions (6 – 10): The questions below are based on the given Series-I. The series-I satisfy a certain pattern, follow the same pattern in Series-II and answer the questions given below.
6) Â 
a) 460
b) 406
c) 686
d) 866
e) 506
7)
a) 24
b) 28
c) 32
d) 18
e) 48
8)
a) 961
b) 1024
c) 512
d) 125
e) 343
9)
a) 4207
b) 4205
c) 4208
d) 4209
e) 4206
10)
a) 1144
b) 1121
c) 1236
d) 1190
e) 1167
Answers :
Directions (1-5) :
1) Answer: C
SI = PNR/100
SI = Total amount – Principle
The amount invested by the person B
= > 27840 – P = P*2*8/100
= > 2784000 – 100P = 16P
= > 2784000 = 116P
= > Principle amount (B) = 2784000/116 = Rs. 24000
The amount invested by the person D
= > 64000 – P = P*5*12/100
= > 6400000 – 100P = 60P
= > 6400000 = 160P
= > Principle amount (D) = 6400000/160 = Rs. 40000
Required difference = 40000 – 24000 = Rs. 16000
2) Answer: A
The rate of interest of person A
= > 1800 = (10000*3*r1)/100
= > 180000/30000 = r1
= > r1 = 6 %
The rate of interest of person C = 10 %
Required ratio = 6: 10 = 3: 5
3) Answer: D
The average amount received by all the given persons together
= > (11800 + 27840 + 49000 + 64000 + 17400)/5
= > 170040/5 = Rs. 34008
4) Answer: B
The number of years the amount invested by person C
= > (49000 – 35000) = 35000*n*10/100
= > 14000*100/(350000) = n
= > n = 4 years
5) Answer: C
The rate of interest of person A
= > 1800 = (10000*3*r1)/100
= > 180000/30000 = r1
= > r1 = 6 %
The average rate of interest for person A, B and C together
= > (6 + 8 + 10)/3 = 24/3 = 8 %
The rate of interest of person E
= > 5400 = (12000*3*r2)/100
= > 540000/36000 = r2
= > r2 = 15 %
The average rate of interest for person A, D and E together
= > (6 + 12 + 15)/3 = 33/3 = 11 %
Required difference = 11 – 8 = 3 %
Directions (6 – 10):
6) Answer: C
Series I pattern:
1 * 2 + 1 = 3
3 * 3 + 1 = 10
10 * 4 + 1 = 41
41 * 5 + 1 = 206
206 * 6 + 1 = 1237
1237 * 7 + 1 = 8660
Series II pattern:
5 * 2 + 1 = 11
11 * 3 + 1 = 34
34 * 4 + 1 = 137
137 * 5 + 1 = 686
686 * 6 + 1 = 4117
4117 * 7 + 1 = 28820
The answer is, 686
7) Answer: D
Series I pattern:
30757 – 1 ÷ 6 = 5126
5126 – 1 ÷ 5 = 1025
1025 – 1 ÷ 4 = 256
256 – 1 ÷ 3 = 85
85 – 1 ÷ 2 = 42
Series II pattern:
13477 – 1 ÷ 6 = 2246
2246 – 1 ÷ 5 = 449
449 – 1 ÷ 4 = 112
112– 1 ÷ 3 = 37
37 – 1 ÷ 2 = 18
The answer is, 18
8) Answer: B
Series I pattern:
Series II pattern:
The answer is, 1024
9) Answer: E
Series I pattern:
2204 – 12 = 2203
2203 – 112 = 2082
2082 – 212 = 1641
1641 – 312 = 680
Series II pattern:
4207 – 12 = 4206
4206 – 112 = 4085
4085 – 212 = 3644
3644 – 312 = 2683
The answer is, 4206
10) Answer: E
Series I pattern:
Series II pattern:
The answer is, 1167
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