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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Rs 3200 is divided among A, B and C in the ratio of 3 : 5 : 8 respectively. What is the difference (in Rs) between the share of B and C?

A) 400 B) 600
C) 800 D) 900
 
Answer & Explanation Answer: B) 600

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Filed Under: Partnership
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

If sec2A + cosec2A = X, then the value of X is

A) tan2A cot2A B) sinA cosA
C) secA cosecA D) sec2A cosec2A
 
Answer & Explanation Answer: D) sec2A cosec2A

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If a watch is being sold at Rs 7,225 which is marked at Rs 8,500, then what is the discount (in %) at which the watch is being sold?

A) 24 B) 15
C) 25 D) 20
 
Answer & Explanation Answer: B) 15

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If 6A = 11B = 7C; find A : B : C

A) 66:42:77 B) 77:42:66
C) 42:77:66 D) 7:11:6
 
Answer & Explanation Answer: B) 77:42:66

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

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

A) MN B) NM
C) OL D) ET
 
Answer & Explanation Answer: D) ET

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Tan 45° + Cosec 60° =

A) (1 + 2√2)/2 B) (√3 + 2)/√6
C) 5/√3 D) (3 + 2√3)/3
 
Answer & Explanation Answer: D) (3 + 2√3)/3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The marked price of a chair is 40% more than its cost price. If the chair is sold for Rs 520 after a discount of Rs 40, then what will be the profit percentage?

A) 33 B) 40
C) 25 D) 30
 
Answer & Explanation Answer: D) 30

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Three friends J, K and L jog around a circular stadium and complete one round in 12, 18 and 20 seconds respectively. In how many minutes will all the three meet again at the starting point.

A) 5 B) 8
C) 12 D) 3
 
Answer & Explanation Answer: D) 3

Explanation:

All the three friends will meet at the starting point again after X seconds, such that X is the LCM of the times taken by J, K and L to complete one round.

=> LCM of 12, 18 and 20 = 180 seconds = 3 minutes.

Hence 3 minutes is the answer.

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Filed Under: HCF and LCM

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