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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

In a 1 km race, A beats B by 28 meters in 7sec. Find A's time over the course?

A) 5min,4sec B) 4min,3sec
C) 2min,3sec D) 3min,4sec
 
Answer & Explanation Answer: B) 4min,3sec

Explanation:

B covers 28 meters in 7sec. So, B's time over the course = (7/28)*100 =250 sec.

 

Whereas A's time over the course = 250 -7 = 243 sec.

 

i.e A's time over the course is 4min , 3 sec.

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Filed Under: Races and Games

83 53379
Q:

What is the simplified value of 

117-16-116-15+115-14-114-13+113-12 ?

A) 4 – 2√3 B) √17 – 3√2
C) √17 + √12 D) 4 + 2√3
 
Answer & Explanation Answer: C) √17 + √12

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 53256
Q:

If the value of θ = 30°, then the value of tan2θ + cot2θ.

 

A) 1/3 B) 4/3
C) 9/3 D) 10/3
 
Answer & Explanation Answer: D) 10/3

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 53250
Q:

What is the value of 1054 + 196 + 169 + 64 ?

 

A) 33 B) 37
C) 29 D) 31
 
Answer & Explanation Answer: A) 33

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 53223
Q:

ΔABC is right angled at B. If cotA = 8/15, then what is the value of cosC ?

 

A) 15/8   B) 8/17  
C) 17/15   D) 15/17
 
Answer & Explanation Answer: D) 15/17

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 53212
Q:

What is the value of 'x' in 23x - 527x + 108x = -21 ?

 

A) 0.33 B) 1
C) 3 D) 9
 
Answer & Explanation Answer: C) 3

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 53139
Q:

If x32 - 1x16 = 5, then find the value of x96 - 1x48.

 

 

A) 40 B) 70
C) 140 D) 180
 
Answer & Explanation Answer: C) 140

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 53122
Q:

Find the compound interest on Rs. 16,000 at 20% per annum for 9 months, compounded quarterly

A) 2422 B) 2522
C) 2622 D) 2722
 
Answer & Explanation Answer: B) 2522

Explanation:

Principal = Rs. 16000; Time = 9 months =3 quarters;
Rate = 20% per annum = 5% per quarter.
Amount = Rs. [16000 x (1+(5/100))3] = Rs. 18522.

 

 

 

CJ. = Rs. (18522 - 16000) = Rs. 2522

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

89 53103