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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Sabrina travelled 8 km/hr on foot and 13 km/hr on cycle. She travelled a distance of 84 km in 8 hours. Forhow many hours did she cycle?

A) 4 B) 5
C) 3 D) 2
 
Answer & Explanation Answer: A) 4

Explanation:
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Filed Under: Time and Distance
Exam Prep: Bank Exams

4 2814
Q:

The average of X, Y, Z is 24. Also, X:Y = 2:3 and X+Y = 60, then find the value of (X-Z)?

A) 9 B) 10
C) 11 D) 12
 
Answer & Explanation Answer: D) 12

Explanation:

X+Y+Z = 24*3 = 72 X:Y = 2:3 (Given)
Let ‘X’ to be 2a & ‘Y’ to be 3a
X+Y = 60 (Given)
2a+3a = 60
5a = 60
a = 12
Hence, X = 24 & Y = 36
From equation (1)...
Z = 72 - 60
Z = 12
Hence, X - Z = 24-12 = 12.

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Filed Under: Average
Exam Prep: Bank Exams

0 2812
Q:

A & B together finish a job in 24 days, while A, B & C together can finish the same job in 8 days. C alone will finish the job in

A) 12 days B) 14 days
C) 16 days D) 24 days
 
Answer & Explanation Answer: A) 12 days

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

6 2811
Q:

In the given figure, PQRS is a rectangle and a semicircle with SR as diameter is drawn. A circle is drawn as shown in the figure. If QR = 7 cm, then what is the radius (in cm) of the small circle ?

 

A) 21 + 14√2 B) 21 – 14√2
C) Both 21 + 14√2 and 21 – 14√2 D) None of these
 
Answer & Explanation Answer: B) 21 – 14√2

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Filed Under: Area
Exam Prep: Bank Exams

1 2811
Q:

If 3A = 6B = 9C; What is A : B : C

A) 6 : 3 : 1 B) 6 : 3 : 2
C) 9 : 3 : 6 D) 9 : 3 : 1
 
Answer & Explanation Answer: B) 6 : 3 : 2

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

2 2811
Q:

20% of 120?

A) 20 B) 24
C) 32 D) 36
 
Answer & Explanation Answer: B) 24

Explanation:

20% of 120

20 x 120/100

= 4 x 6

= 24

 

Hence, 20% of 120 = 24.

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

3 2809
Q:

Select the time that would depict the correct mirror image of 9:30 on a clock.

A) 2:30 B) 6:30
C) 7:30 D) 4:30
 
Answer & Explanation Answer: A) 2:30

Explanation:
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Filed Under: Clocks
Exam Prep: Bank Exams

5 2808
Q:

At present, the sum of ages of 4 people is 76. After 7 years, the ratio will be 7:6:5:8. Find out the present age of C?

A) 12 B) 11
C) 17 D) 13
 
Answer & Explanation Answer: D) 13

Explanation:

Ans.
Currently :
A+B+C+D = 76
According to ques , after 7 years
A+B+C+D = 7x+6x+5x+8x = 76+7*4
26x = 76 + 28
X = 104/26
x = 4
C’s present age = 5x – 7 =20 – 7
                                     = 13

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , GATE

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