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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

A, B and C together can finish a task in 12 days. A is twice as productive as B and C alone can do the task in 36 days. In how many days can A and B do the task if C goes on leave?

A) 10 B) 20
C) 15 D) 18
 
Answer & Explanation Answer: D) 18

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

3 3901
Q:

Aarush's birthday is on Thursday 27th April. On what day of the week will be Mitul's Birthday in the same year if Mitul was born on 28th September?

A) Monday B) Thursday
C) Wednesday D) Tuesday
 
Answer & Explanation Answer: B) Thursday

Explanation:
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Filed Under: Calendar
Exam Prep: Bank Exams

15 3897
Q:

Aarav's birthday is on Sunday, 12th March . On what day of the week will be Madhup's Birthday in the same year if Madhup was born on 10th August?

A) Thursday B) Wednesday
C) Friday D) Saturday
 
Answer & Explanation Answer: A) Thursday

Explanation:
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Filed Under: Calendar
Exam Prep: Bank Exams

20 3896
Q:

Out of seven consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed ?

A) 25200 B) 25000
C) 25225 D) 24752
 
Answer & Explanation Answer: A) 25200

Explanation:

Number of ways of selecting (3 consonants out of 7) and (2 vowels out of 4) =( C37×C24 ) = 210.

Number of groups, each having 3 consonants and 2 vowels =210

Each group contains 5 letters.

Number of ways of arranging 5 letters among themselves = 5! = 120. 

Required number of words = (210 x 120) = 25200.

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Filed Under: Permutations and Combinations
Exam Prep: CAT , Bank Exams
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8 3893
Q:

A natural number when increased by 12 equals 160 times its reciprocal. Find the number?

A) 20 B) 12
C) 8 D) 4
 
Answer & Explanation Answer: C) 8

Explanation:

Let the required number be 'p'.

From the given data,

p + 12 = 160 x 1/p

=> p + 12 = 160/p

=> p(p + 12) = 160

=> P^2 + 12p - 160 = 0

=> p^2 + 20p - 8p - 160 = 0

=> P(p + 20) - 8(p + 20) = 0

=> (p + 20)(p - 8) = 0

=> p = -20 or p = 8

As, given the number is a natural number, so it can't be negative.

Hence, the required number p = 8.

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Filed Under: Problems on Numbers
Exam Prep: AIEEE , Bank Exams , CAT
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4 3891
Q:

A 6% stock yields 8%. The market value of the stock is:

A) 70 B) 76
C) 75 D) 80
 
Answer & Explanation Answer: C) 75

Explanation:

For an income of Rs. 8, investment = Rs. 100.

 

For an income of Rs. 6, investment = Rs.1008*6= Rs. 75.

 

Market value of Rs. 100 stock = Rs. 75.

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Filed Under: Stocks and Shares

1 3885
Q:

5th January 2018 was a Friday. Which of the following years will also have 5th January on a Friday?

A) 2022 B) 2020
C) 2024 D) 2023
 
Answer & Explanation Answer: C) 2024

Explanation:
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Filed Under: Calendar
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15 3884
Q:

In how many ways word of 'GLACIOUS' can be arranged such that 'C' always comes at end?

A) 3360 B) 5040
C) 720 D) 1080
 
Answer & Explanation Answer: B) 5040

Explanation:

Given word is GLACIOUS has 8 letters.

=> C is fixed in one of the 8 places

Then, the remaining 7 letters can be arranged in 7! ways = 5040.

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

2 3884