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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Gaurav spends 30% of his monthly income on food articles, 40% of the remaining on conveyance and clothes and saves 50% of the remaining. If his monthly salary is Rs. 18,400, how much money does he save every month ?

A) 3864 B) 4903
C) 5849 D) 6789
 
Answer & Explanation Answer: A) 3864

Explanation:

Saving  = 50% of (100 - 40)% of (100 - 30)% of Rs. 18,400 = Rs. (50/100 * 60/100 * 70/100 * 18400) = Rs. 3864.

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Filed Under: Percentage

282 62319
Q:

If Tan A = 15/8 and Tan B = 7/24, then Cos (A + B) = ?

 

A) 87/425 B) 304/425
C) 297/425 D) 416/425
 
Answer & Explanation Answer: A) 87/425

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 62205
Q:

Consider the following two triangles as shown in the figure below.


Choose the correct statement for the above situation.

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

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

1 62125
Q:

ΔPQR is right angled at Q. If m∠R=300, then find the value of (cosP - 1/3).

 

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

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

1 62123
Q:

Direction: What will come in place of the question mark (?) in the following question?

504÷42x7-63+28 = ?

A) 72 B) 48
C) 62 D) 38
 
Answer & Explanation Answer:

Explanation:

504/42 × 7 - 63 + 28 = 84 – 63 + 28 = 49

Hence option 5 is correct.

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , GATE

0 62121
Q:

Solve the following

 

24/(19 - 9 / 3 x 9) = ?

A) -3 B) -4
C) 3 D) 6
 
Answer & Explanation Answer: A) -3

Explanation:
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1 62104
Q:

Which of the following statement (s) is/are TRUE?

I. 4√3 > 3√4

II. 8√2 > 2√8

A) Only I B) Only II
C) Neither I nor I D) Both I and I
 
Answer & Explanation Answer: D) Both I and I

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 62071
Q:

Find the volume (in cm³) of a cube of side 4.5 cm.

 

A) 55.467   B) 14.445  
C) 91.125   D) 26.465
 
Answer & Explanation Answer: C) 91.125  

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

2 62060