Aptitude and Reasoning Questions

Q:

Find the area of a triangle whose sides measure 13 cm, 14 cm and 15 cm.

A) 84 B) 64
C) 44 D) 22
 
Answer & Explanation Answer: A) 84

Explanation:

Let a = 13, b = 14 and c = 15. Then, s=12a+b+c=21

 (s- a) = 8, (s - b) = 7 and (s - c) = 6.


Area =ss-as-bs-c =21×8×7×6 = 84 sq.cm   

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

40 19677
Q:

A guy walks into a store and steals Rs. 100 from the store without the owner's knowledge.
He then buys Rs. 60 worth of goods using that Rs. 100 and the owner gies Rs. 40 in change.

How much money did the owner lose?

A) RS. 200 B) Rs. 160
C) Rs. 100 D) Rs. 40
 
Answer & Explanation Answer: C) Rs. 100

Explanation:

The first lost Rs. 100, but after the thief bought Rs. 60 goods, he get that Rs. 100 back but he lost Rs. 60 value of goods and Rs. 40 in change.

 

So, a total of 60 + 40 = 100 Rs. the owner lose.

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Filed Under: Profit and Loss
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

16 19671
Q:

The present average age of a family of five members is 26 years. If the present age of the youngest member in the family is ten years, then what was the average age of the family at the time of the birth of the youngest member ? (Assume no death occurred in the family since the birth of the youngest)

A) 19 years B) 16 years
C) 18 years D) 20 years
 
Answer & Explanation Answer: D) 20 years

Explanation:

Present total age of the members = 26(5) = 130 years.

 

Present age of the youngest member = 10 years

 

Present total age of the remaining four members = 130 -10 = 120 years

 

Their average age at the time of the birth of the youngest member = 120-4×104 = 30 - 10 = 20 years.

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Filed Under: Problems on Ages
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

19 19660
Q:

A boatman can row 3 km against the stream in 20 minutes and return in 18 minutes. Find the rate of current ?

A) 1/3 kmph B) 2/3 kmph
C) 1/4 kmph D) 1/2 kmph
 
Answer & Explanation Answer: D) 1/2 kmph

Explanation:

Speed in upstream = Distance / Time = 3 x 60/20 = 9 km/hr.

Speed in downstream = 3 x 60/18 = 10 km/hr

Rate of current = (10-9)/2 = 1/2 km/hr.

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Filed Under: Boats and Streams
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

32 19610
Q:

Arrange the following words as per order in the dictionary.

1. Stilt 2. Stifle 3. Stink 4. Stingy

A) 3,4,2,1 B) 1,3,4,2
C) 2,1,4,3 D) 2,3,4,1
 
Answer & Explanation Answer: C) 2,1,4,3

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

0 19607
Q:

A tailor has 37.5 metres of cloth and he has to make 8 pieces out of a metre of cloth. How many pieces can he make out this cloth ?

A) 300 B) 360
C) 400 D) 450
 
Answer & Explanation Answer: A) 300

Explanation:

Length of  each piece = (1/8) m = 0.125 m

Required no of pieces = (37.5/0.125) = (375 * 100) / 125 = 300.

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Filed Under: Decimal Fractions

36 19600
Q:

In the following question, select the missing number from the given series.

19, 25, 32, 38, 45, 51, ?

A) 58 B) 59
C) 62 D) 64
 
Answer & Explanation Answer: A) 58

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

3 19588
Q:

If Neena says, "Anita's father Raman is the only son of my father-in-law Mahipal", then how is Bindu, who is the sister of Anita, related to Mahipal ? 

A) Daughter B) Wife
C) Daughter-in-law D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:

Only son of Neena's father-in-law Mahipal Neena's husband. So, Raman is Neena's husband and Anita and Hindu are his daughters. 

 Thus, Bindu is the grand daughter of Mahipal. 

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Filed Under: Blood Relations

36 19588