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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

On what dates of April, 2001 did Wednesday fall?

A) 2nd,9th,16th,23rd B) 4th,11th,18th,25th
C) 12th,18th,27th,6th D) 1st,8th,15th,22nd
 
Answer & Explanation Answer: B) 4th,11th,18th,25th

Explanation:

We shall find the day on 1st April, 2001.

1st April, 2001 = (2000 years + Period from 1.1.2001 to 1.4.2001)

Odd days in 1600 years = 0

Odd days in 400 years = 0

Jan. Feb. March April

(31 + 28 + 31 + 1) = 91 days 0 odd days.

Total number of odd days = (0 + 0 + 0) = 0

On 1st April, 2001 it was Sunday.

In April, 2001 Wednesday falls on 4th, 11th, 18th and 25th.

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Filed Under: Calendar

254 58306
Q:

What is the value of (cosec60 - 1/2) ?

 

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

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 58270
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 58165
Q:

Which of the following conditions is correct for a right angled triangle?

 

A) Sum of the two angles of a triangle is greater than the third angle B) Sum of the two angles of a triangle is less than the third angle
C) Sum of the two angles of a triangle is equal to the third angle D) None of these
 
Answer & Explanation Answer: C) Sum of the two angles of a triangle is equal to the third angle

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

0 58123
Q:

Refer the below data table and answer the following question.

What was the total profit or loss of the company in the last 5 years?

A) Loss of Rs 45 crores B) Profit of Rs 55 crores
C) Profit of Rs 45 crores D) Loss of Rs 55 crores
 
Answer & Explanation Answer: C) Profit of Rs 45 crores

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

0 58014
Q:

Find out the wrong number in the following series:

5, 15, 30, 80, 180, 540, 1080

A) 540 B) 180
C) 30 D) 80
 
Answer & Explanation Answer: D) 80

Explanation:

There should be 90 instead of 80
so we can have a series
5, 5x3, 15x2, 30x3, 90x2, 180x3, 540x2 and 1080x3 and so on...

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Filed Under: Odd Man Out
Exam Prep: Bank Exams , CAT , GATE , GRE
Job Role: Bank Clerk , Bank PO

6 57834
Q:

The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

A) 123 B) 127
C) 235 D) 305
 
Answer & Explanation Answer: B) 127

Explanation:

Required number = H.C.F. of (1657 - 6) and (2037 - 5)

= H.C.F. of 1651 and 2032 = 127.

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Filed Under: HCF and LCM

251 57827
Q:

What is the square root of (√5 + 2)/(√5 – 2)?

 

A) √5 – √4   B) √5 + 2  
C) 5 + √2   D) 7
 
Answer & Explanation Answer: B) √5 + 2  

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 57777