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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Calculate the area (in sq.cm) of a circle whose diameter is 35 cm.

 

A) 1925 B) 962.5
C) 857.5 D) 1715
 
Answer & Explanation Answer: B) 962.5

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

0 37786
Q:

Find the odd word/letters/number pair from the given alternatives.

(A) ECBY (B) RTUX (C ) GEDA (D) WUTQ

A) A B) B
C) C D) D
 
Answer & Explanation Answer: B) B

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 37739
Q:

Three numbers are in the ratio  1 : 2 : 3  and their H.C.F is 12. The numbers are

A) 4, 8, 12 B) 5, 10, 15
C) 10, 20, 30 D) 12, 24, 36
 
Answer & Explanation Answer: D) 12, 24, 36

Explanation:

Let the required numbers be x, 2x, 3x.   Then, their H.C.F =x. so, x= 12

Therefore, The numbers are 12, 24, 36

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Filed Under: HCF and LCM

73 37717
Q:

A person incurs a loss of 5% be selling a watch for Rs. 1140. At what price should the watch be sold to earn 5% profit.

A) Rs.1200 B) Rs.1230
C) Rs.1260 D) Rs.1290
 
Answer & Explanation Answer: C) Rs.1260

Explanation:

Let the new S.P be x, then

(100 - loss%) : (1st S.P.) = (100 + gain%) : (2nd S.P.)

⇒951140=105x 

=> x = 1260

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Filed Under: Profit and Loss

114 37569
Q:

What is the simplified result of following the steps below in order?

       1.Add 5y to 2x

       2.Multiply the sum by 3

       3.Substract x+y from the product

A) 5x + 14y B) 5x + 16y
C) 5x + 5y D) None
 
Answer & Explanation Answer: A) 5x + 14y

Explanation:

Step 1 :2x + 5y

Step 2 :3(2x + 5y) = 6x + 15y

Step 3 :(6x + 15y) - (x +y) = 6x + 15y - x - y (watch that last minus sign!)

This gives 5x + 14y

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Filed Under: Numbers
Exam Prep: GRE

5 37437
Q:

The area of an equilateral triangle is 16√3 sq.cm. Find its side in cm.

 

A) 8 B) 4
C) 16 D) 24
 
Answer & Explanation Answer: A) 8

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

0 37421
Q:

Who is the Chief Election commissioner of India who took charge in January 2018

 

A) Subramanian Swamy B) Ranjit Kumar
C) Om Prakash Rawat D) Raghuram Rajan
 
Answer & Explanation Answer: C) Om Prakash Rawat

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

0 37333
Q:

10 men and 15 women together can complete a work in 6 days. It takes 100 days for one man alone to complete the same work. How many days will be required for one woman alone to complete the same work?

A) 215 days B) 225 days
C) 235 days D) 240 days
 
Answer & Explanation Answer: B) 225 days

Explanation:

Given that

(10M + 15W) x 6 days = 1M x 100 days

=> 60M + 90W = 100M

=> 40M = 90W

=> 4M = 9W.

From the given data,

1M can do the work in 100 days

=> 4M can do the same work in 100/4= 25 days.

=> 9W can do the same work in 25 days.

=> 1W can do the same work in 25 x 9 = 225 days.

 

Hence, 1 woman can do the same work in 225 days.

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Filed Under: Time and Work
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