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Q:

If V = 12R / (r + R) , then R =

A) Vr / (12 - V) B) Vr + (V /12 )
C) V D) V / (r - 12 )
 
Answer & Explanation Answer: A) Vr / (12 - V)

Explanation:

We have to rearrange the equation to make R the subject.

Start by cross multiplying by (r + R); V (r + R) = 12R

Multiply out the bracket Vr + VR = 12R

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Filed Under: Numbers
Exam Prep: GRE

12 13975
Q:

Identify the diagram that best represents the relationship among the given classes.

Engine, Car, Battery

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

Explanation:
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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

4 13969
Q:

India Wins Freedom is the autobiography of  ?

A) Abul Kalam Azad B) L.K Adwani
C) Rajendra Prasad D) Shubash Chandra Bose
 
Answer & Explanation Answer: A) Abul Kalam Azad

Explanation:

India Wins Freedom is the autobiography of Abul Kalam Azad.

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Filed Under: Books and Authors
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

25 13965
Q:

How many iron rods, each of length 7 mts and diameter 2 cms can be made out of 0.88 cubic metre of iron ?

A) 500 B) 600
C) 400 D) 300
 
Answer & Explanation Answer: C) 400

Explanation:

Given length of iron rod =7 mts and  and diameter of rod = 2 cms 

=> r = 1/100 mts

Therefore,  Volume of one rod = πr2h cu. m =  227×11002×7cu. m = 115000 cu. m

Given volume of iron = 0.88 cu. m 

Therefore, Number of rods = 0.88×500011 = 400.

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Filed Under: Volume and Surface Area
Exam Prep: CAT
Job Role: Bank PO

17 13964
Q:

A girl counted in the following way on the fingers of her left hand : She started by calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, little finger 5 and then reversed direction calling the ring finger 6, middle finger 7 and so on. She counted upto 1995. She ended counting on which finger ?

A) Thumb B) Index finger
C) Ring finger D) Middle finger
 
Answer & Explanation Answer: D) Middle finger

Explanation:

Clearly, while counting the numbers associated to the thumb will be 1,9,17,25,.........
i.e., numbers of the form (8n + 1 ).
where n=1,2,3...
Since 1994 = 249 × 8 + 2, so 1993 shall correspond to the thumb and 1994 to the index finger and 1995 to the middle finger.

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

9 13961
Q:

 

The given table represents the marks obtained by four students W, X, Y and Z in four subjects P, C, B and M, with the maximum marks in each subject being 100.

 

Based on the given data, W's marks percentage in P, C and B combined is

 

 

which one of the following is a waterborne disease

A) 70 B) 75
C) 68 D) 72
 
Answer & Explanation Answer: A) 70

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

0 13955
Q:

The bar graph given indicates the income of a firm. Study the graph and answer the questions given.

During which month, the ratio of the income to that of the previous month is the largest?

A) February B) March
C) April D) May
 
Answer & Explanation Answer: B) March

Explanation:
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Filed Under: Bar Charts
Exam Prep: Bank Exams

0 13926
Q:

To copy cell contents using drag and drop press the

A) Shift key B) Alt key
C) End key D) Ctrl key
 
Answer & Explanation Answer: D) Ctrl key

Explanation:

Ctrl key is to be pressed To copy cell contents using drag and drop.

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

15 13922