Quantitative Aptitude Quiz for SBI PO | IBPS | RBI – Set 103

Directions (Q. 1 – 3): What should come in place of question mark (?) in the following number series?

1. 7, 13, 24, 40, 61, ?
a) 87
b) 92
c) 89
d) 93
e) none of these

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Ans: a) 87

Explanation:
7+6=13
13+11=24
24+16=40
40+21=61
61+26=87
[Gap of +5 between 6,11,16,21,26]

2. 124, 215, 342, 511, ?, 999
a) 695
b) 625
c) 728
d) 806
e) 573

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Ans: c) 728

Explanation:

5^3-1 , 6^3-1 , 7^3-1 , 8^3-1 , 9^3-1

3.  5, 22, 103, 406, ?, 2422
a) 1516
b) 1298
c) 1136
d) 1602
e) 1213

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Ans: e) 1213

Explanation:

*6-8 ,*5-7 ,*4-6 ,*3-5 ,*2-4

4. A two digit number is such that the sum of the digits is 11.When the number with the same digits is reversed is subtracted from this number, the difference is 9.What is the number?
a) 23
b) 24
c) 65
d) 14
e) 32

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Ans: c) 65

Explanation:

let the number be written as xy
x-ten’s place
y units place
x+y=11…………………1
(10x+y)-(10y+x)=9
10x+y-10y-x=9
9x-9y=9
x-y=1………………….2
Add (1) & (2)
2x=12
x=6
y=5
the number is 65.

Q- (5-10): The following pie chart shows the amount of subscriptions generated for India Bonds from different categories of investors.

di1

5. In the corporate sector, approximately how many degrees should be there in the central angle ?
a) 120
b) 121
c) 122
d) 123
e) 135

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Ans: c) 122

34*3.6 =122.4(since 1 % =3.6 degrees)

6. If the investment by NRI’s are Rs 4,000 crore, then the investments by corporate houses and FII’s together is:
a) 24,000 crore
b) 24,363 crore
c) 25,423 crore
d) 25,643 crore
e) 26,678 crore

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Ans: b) 24,363 crore

(67/11)*4000 = 24363.6364

7. What percentage of the total investment is coming from FII’s and NRI’s ?
a) 33 %
b) 11 %
c) 44 %
d) 22 %
e) 29%

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Ans: c) 44 % 

8. If the total investment other than by FII and corporate houses is Rs 335,000 crore, then the investment by NRI’s and Offshore funds will be (approximately) ?
a) 274,100
b) 285,600
c) 293,000
d) 267,000
e) Cannot be determined

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Ans: a) 274,100

9. If the total investment flows from FII’s were to be doubled in the next year and the investment flows from all other sources had remained constant at their existing levels for this year, then what would be the proportion of FII investment in the total investment into India Bonds next year (in US $ millions) ?
a) 40 %
b) 50 %
c) 60 %
d) 70 %
e) 78%

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Ans: b) 50 %

10. What is the approximate ratio of investment flows into India Bonds from NRI’s to corporate houses ?
a) 1:4
b) 1:3
c) 3:1
d) 4:7
e) Cannot be determined

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Ans: b) 1:3

11:34 is approximately equal to 1:3