Aptitude and Reasoning Questions

Q:

Find the number of triangles in the given figure ?

                       analyticalreasoning81484544890.png image

A) 21 B) 15
C) 18 D) 20
 
Answer & Explanation Answer: A) 21

Explanation:

analyticalreasoning8answer121484544955.png image

The simplest triangles are AKI, AIL, EKD, LFB, DJC, DKJ, KIJ, ILJ, JLB, BJC, DHC and BCG i.e. 12 in number.
The triangles composed of two components each are AKJ, ALJ, AKL, ADJ, AJB and DBC i.e. 6 in number.
The triangles composed of the three components each are ADC and ABC i.e. 2 in number.
There is only one triangle i.e. ADB composed of four components.
Thus, there are 12 + 6 + 2 + 1 = 21 triangles in the figure.

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Filed Under: Analytical Reasoning
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

51 28807
Q:

Arrange the following words as per order in the dictionary

1. Eyelid

2. Eyeless

3. Eyesore

4. Eyesight

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

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

2 28765
Q:

A and B can do a piece of work in 40 and 50 days. If they work at it an alternate days with A beginning in how many days, the work will be finished ?

Answer

(A+B)'s two days work = 140+150=9200 


 


Evidently, the work done by A and B duing 22 pairs of days 


 


 i.e in 44 days = 22×9200=198200 


 


Remaining work = 1-198200= 1/100


 


 Now on 45th day A will have the turn to do 1/100 of the work and this work A will do in 40×1100=25


 


 Therefore,  Total time taken = 4425daya

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Subject: Time and Work
Job Role: Bank PO

72 28730
Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A)  :  Pressure cookers are fitted with ebonite handles. 

Reason (R)     :  Ebonite is strong. 

A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false. D) A is false but R is true.
 
Answer & Explanation Answer: C) A is true but R is false.

Explanation:

The handles of pressure cookers are made of ebonite because it being a bad conductor of heat, does not heat up. 

 

 

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Filed Under: Assertion and Reason

61 28716
Q:

If a=2b/3, b=2c/3, and c=2d/3, then find the ratio of b and d:

 

A) 8/9 B) 4/9
C) 4/3 D) 5/27
 
Answer & Explanation Answer: B) 4/9

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

3 28696
Q:

The diameter of the driving wheel of a bus is 140 cm. How many revolution, per minute must the wheel make in order to keep a speed of 66 kmph ?

A) 150 B) 250
C) 350 D) 550
 
Answer & Explanation Answer: B) 250

Explanation:

Circumference = No.of revolutions * Distance covered

 

Distance to be covered in 1 min. = (66 X1000)/60 m = 1100 m.
Circumference of the wheel = 2 x (22/7) x 0.70 m = 4.4 m.
Number of revolutions per min. =(1100/4.4) = 250.

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

47 28686
Q:

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

 

23, 23, 46, 138, 552, ?

 

A) 2760 B) 3040
C) 2560 D) 2420
 
Answer & Explanation Answer: A) 2760

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

1 28681
Q:

From  a container of wine, a thief has stolen 15 liters of wine and replaced it with same quantity of water.He again repeated the same process. Thus in three attempts the ratio of wine and water became 343:169. The  initial amount of wine in the container was:

A) 75 liters B) 100 liters
C) 150 liters D) 120 liters
 
Answer & Explanation Answer: D) 120 liters

Explanation:

Wine (left)Water (added)=343169

 

It means   Wine (left)Wine(initial amount)=343512   343+169 = 512

 

Thus ,       

343x=512x1-15K3

 

 343512=783=1-15k3

 

=> K = 120

Thus the initial amount of wine was 120 liters.

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Filed Under: Alligation or Mixture

40 28657