6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A room of 5m 44cm long and 3m 74cm broad is to be paved with squre tiles. Find the least number of squre tiles required to cover the floor.

A) 136	B) 146
C) 166	D) 176

Answer & Explanation Answer: D) 176

Explanation:

area of the room = 544 x 374 sq.cm

size of largest square tile = H.C.F of 544cm and 374 cm= 34 cm

area of 1 tile = 34x34 sq cm

no. of tiles required = (544 x 374) / (34 x 34) = 176

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Filed Under: Area
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62 43121

Q:

Find the odd one out :

Chicken pox, Rubella, Flu, Meningitis

A) Rubella	B) Chicken pox
C) Meningitis	D) Flu

Answer & Explanation Answer: C) Meningitis

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 43079

Q:

In the following question, select the odd letter/letters from the given alternatives.

A) CGJ	B) IMQ
C) OSW	D) JNR

Answer & Explanation Answer: A) CGJ

Explanation:

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Q:

The length and breadth of a rectangle are 21 cm and 20 cm respectively. Find its area (in cm2).

A) 420	B) 840
C) 80	D) 160

Answer & Explanation Answer: A) 420

Explanation:

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0 43016

Q:

At what time between 5.30 and 6 will the hands of a clock be at right angles?

A) (43 + 5/11) min past 5	B) (43 + 7/11) min pats 5
C) 5	D) 7

Answer & Explanation Answer: B) (43 + 7/11) min pats 5

Explanation:

At 5 o'clock, the hands are 25 min. spaces apart.
To be at right angles and that too between 5.30 and 6, the minute hand has to gain (25 + 15) = 40 min. spaces.

55 min. spaces are gained in 60 min

40 min. spaces are gained in $\frac{60}{55} \times 40$ min

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Filed Under: Clocks
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73 42945

Q:

The circumference of a circle is 66 cm. Find its radius (in cm).

A) 21	B) 10.5
C) 4.5	D) 9

Answer & Explanation Answer: B) 10.5

Explanation:

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Q:

If 3/5 of x is equal to 4/9 of y, then what is the ratio of x and y?

A) 11 : 15	B) 15 : 23
C) 20 : 27	D) 14 : 25

Answer & Explanation Answer: C) 20 : 27

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

7 42889

Q:

By selling 33 m clothes, a person gains cost price of 11 m clothes. Find the gain %.

A) 30%	B) 33.33%
C) 25%	D) 35%

Quantitative Aptitude - Arithmetic Ability Questions

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