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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If length of each side of a rhombus PQRS is 8 cm and ∠PQR = 120°, then what is the length (in cm) of QS?

A) 4√5 B) 6
C) 8 D) 12
 
Answer & Explanation Answer: C) 8

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Filed Under: Area

10 2787
Q:

In the following question, select the odd number from the given alternatives.

A) 313 B) 426
C) 925 D) 1034
 
Answer & Explanation Answer: A) 313

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 2787
Q:

Divide 150 into two parts such that the sum of their reciprocals is 3/112. Calculate both the parts.

A) 50, 90 B) 70, 80
C) 60, 90 D) 50, 100
 
Answer & Explanation Answer: B) 70, 80

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

5 2786
Q:

What least value must be assigned to '*' so that the numbers 451 *  603 is exactly divisible by 9?

A) 7 B) 8
C) 5 D) 9
 
Answer & Explanation Answer: B) 8

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 2784
Q:

The radius of base of solid cone is 9 cm and its height is 21 cm. It cut into 3 parts by two cuts, which are parallel to its base. The cuts are at height of 7 cm and 14 cm from the base respectively. What is the ratio of curved surface areas of top, middle and bottom parts respectively?

A) 1 : 4 : 8 B) 1 : 3 : 5
C) 1 : 3 : 9 D) 1 : 6 : 12
 
Answer & Explanation Answer: B) 1 : 3 : 5

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 2784
Q:

If a boat goes a certain distance at 30 km/hr and comes back the same distance at 60 km/hr. What is the average speed (in km/hr) for the total journey?

A) 45 B) 50
C) 40 D) 35
 
Answer & Explanation Answer: C) 40

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

5 2784
Q:

The largest 4 digit number exactly divisible by 88 is

A) 8888 B) 9999
C) 9944 D) 9988
 
Answer & Explanation Answer: C) 9944

Explanation:

To find the largest 4 digit number exactly divisible by 88,

We should divide the largest possible 4 digit number by 88, and if we get any remainder than subtract it from that largest number.

The largest possible 4 digit number is 9999

Now,

 

88) 9999 (113
      88
  _______
      119
        88
  _______
        319
        264
  _______
          55
  _______

 

Therefore, the largest 4 digit number exactly divisible by 88 is given by

9999 - 55 = 9944.

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Filed Under: Problems on Numbers
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

3 2783
Q:

If cot A = [sin B/(1 – cos B)], then what is the value of cot 2A?

A) cot(B/2) B) cot 2B
C) cot B D) tan B
 
Answer & Explanation Answer: C) cot B

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Filed Under: Simplification
Exam Prep: Bank Exams

5 2782