Quantitative Aptitude - Arithmetic Ability Questions

Q:

Select the odd letters from the given alternatives.

 

A) ZXV B) GDA
C) NKH D) URO
 
Answer & Explanation Answer: A) ZXV

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Exam Prep: Bank Exams

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Q:

Fill in the blanks

sinA = _____ x cosA

 

A) sinA B) tanA
C) cotA D) cosA
 
Answer & Explanation Answer: B) tanA

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1 86737
Q:

A, B, C started a business with their investments in the ratio 1:3 :5. After 4 months, A invested the same amount as before and B as well as C withdrew half of their investments. The ratio of their profits at the end of the year is :

A) 1 : 2 : 3 B) 3 : 4 : 15
C) 3 : 5 : 10 D) 5 : 6 : 10
 
Answer & Explanation Answer: D) 5 : 6 : 10

Explanation:

Let their initial investments be x, 3x and 5x respectively. Then,

 

A:B:C = (x*4+2x*8) : (3x*4+(3x/2)*8) : (5x*4+(5x/2)*8)

 

20x : 24x : 40x = 5 : 6 : 10          

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207 86693
Q:

Solve the following :

38 - (60 ÷ 5 x 16 - 8 ÷ 2 ÷ 3) =?

 

A) 22 B) 29
C) 30 D) 37
 
Answer & Explanation Answer: A) 22

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Exam Prep: Bank Exams

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Q:

Selling price of an article is Rs 2397 and discount offered is 15%. What is the marked price (in Rs)?

 

A) 2756.5 B) 2856.6
C) 2740 D) 2820
 
Answer & Explanation Answer: D) 2820

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If 19x2 = 1002 - 902, then find the value of x.

 

A) 10 B) 9
C) 11 D) 12
 
Answer & Explanation Answer: A) 10

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Q:

What is the value of (sin45 - √3) ?

 

A) (1-√6)/√2   B) (4-√3)/2√3  
C) -1/2√3   D) (2-√3)/2√3
 
Answer & Explanation Answer: A) (1-√6)/√2  

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Q:

 A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half. The number of pupils in the class is :

A) 45 B) 40
C) 39 D) 37
 
Answer & Explanation Answer: B) 40

Explanation:

Let there be x pupils in the class.

Total increase in marks = (x * 1/2) = x/2.

x/2 = (83 - 63) => x/2 = 20 => x = 40.

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Filed Under: Average

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