Dear Readers, Important Aptitude Questions for RRB/SSC/FCI Exam was given here with solutions, candidates those who are preparing for those exams can use this material.

**1).**What sum of money must be given at simple interest for six months at 4% per annum in order to earn Rs. 150 interest?

a)
Rs.
5000

b)
Rs.
7500

c)
Rs.
10000

d)
Rs.
15000

**2).**Oranges are bought at 7 for Rs. 3. At what rate per hundred must they he sold to gain 33%

a)
Rs.
56

b)
Rs.
60

c)
Rs.
58

d)
Rs.
57

**3).**The radius of a wheel that makes 113 revolution to go 2 km 26 dm is (take π = 22 / 7)

a)
4
(4 / 13) m

b)
6
(4 / 11) m

c)
12
(4 / 11) m

d)
3
(2 / 11) m

**4).**If 90% of A = 30% of B and B = 2x% of A, then the value of x is

a)
450

b)
400

c)
300

d)
150

**5).**When the price of sugar decrease by 10%, a man could buy 1 kg more for Rs. 270. Then, the original price of sugar per kg is

a)
Rs.
25

b)
Rs.
30

c)
Rs.
27

d)
Rs.32

**6).**If the price of sugar is raised by 25%, find by how much per cent a householder must reduce his consumption of sugar so as not to increase his expenditure?

a)
10

b)
20

c)
18

d)
25

**7).**The LCM of three different numbers is 120. Which of the following cannot be their HCF?

a)
8

b)
12

c)
24

d)
35

**8).**Which of the following number is the least?

(0.5)

^{2}, √0.49,^{3}√0.008, 0.23
a)
(0.5)

^{2}
b)
√0.49

c)

^{3}√0.008
d)
0.23

**9).**Sum of three consecutive even integer is 54. The least among them is

a)
18

b)
15

c)
14

d)
16

**10).**A student was asked to multiply a number by 3 / 2 but he divided that number by 3 / 2. His result was 10 less than the correct answer. The number was

a)
10

b)
12

c)
15

d)
20

__Answers__**:**

**1). b) 2). d) 3). d) 4). d) 5). b) 6). b) 7). d) 8). c) 9). d) 10). b)**

__Solution :__**1).**P = [ (150 × 100) / 4 ] × (2 / 1) = Rs. 7500

**Answer: b)**

**2).**Cost price of one orange = Rs. 3 / 7

Selling
price of one orange = Rs.(3 / 7) × (133 / 100) = Rs. 57 / 100

Then,
the selling price of hundred oranges = Rs. 57

**Answer: d)**

**3).**Circumference of wheel = 2260 / 113 = 20 m

Let
r be the radius of wheel

2r = 20

r
= (20 × 7) / (22 × 2) = 3(2 / 11)m

**Answer: d)**

**4).**(A × 90) / 100 = (B × 30) / 100

3A
= B

3A
= A × (2x / 100)

300
= 2x

x
= 150

**Answer: d)**

**5).**Let the original price of sugar be Rs. x per kg

New
price = Rs. 9x / 10 per kg

270
/ (9x / 10) – 270 / x = 1

(300
/ x) - 270 / x = 1

30
/ x = 1 = Rs. 30 per kg

**Answer: b)**

**6).**Percentage decrease = (25 / 125) × 100 = 20

**Answer: b)**

**7).**Since, LCM of three numbers is 120

Their
HCF cannot be 35

**Answer: d)**

**8).**(0.5)

^{2}= 0.25

√0.49
= 0.7

^{3}√0.008 = 0.2

0.23
= 0.23

From
above, it is clear that

^{3}√0.008 is least in given numbers**Answer: c)**

**9).**Let first even integer = x

Then,
second even integer = x + 2

And
third even integer = x + 4

According
to the question x + x + 2 + x + 4 = 54

3x
= 48

x
= 16

**Answer: d)**

**10).**Let the number = x

According
to the question,

(3
/ 2)x – x / (3 / 2) = 10

(3x
/ 2) – (2x / 3) = 10

(9x
– 4x) / 6 = 10

x
= (10 × 6) / 5 = 12

**Answer: b)**

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