Aptitude and Reasoning Questions

Q:

A card is drawn from a pack of 52 cards. What is the probability that either card is black or a king? 

A) 15/52 B) 17/26
C) 13/17 D) 15/26
 
Answer & Explanation Answer: D) 15/26

Explanation:

Number of cards in a pack of cards = 52

Number of black cards = 26

Number of king cards = 4 (2 Red, 2 Black)

 

Required, the probability that if a card is drawn either card is black or a king = 

2652 + 452 = 3052 = 1526

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

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Q:

A, B and C can do a job working alone in 50, 75 and 20 days respectively. They all work together for 4 days, then C quits. How many days will A and B take to finish the rest of the job?

A) 20 B) 30
C) 18 D) 24
 
Answer & Explanation Answer: A) 20

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

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Q:

In a school , 391 boys and 323 girls have been divided into the largest possible equal classes , so that each class of boys numbers the same as each class of girls . What is the number of classes ?

A) 23 B) 19
C) 44 D) 17
 
Answer & Explanation Answer: D) 17

Explanation:
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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Arrange the given words in the sequence in which they occur in the dictionary.
i. Uniform
ii. Unitary
iii. Umbrella
iv. Unicorn

A) iii, i, iv, ii B) iii, iv, ii, i
C) iii, iv, i, ii D) iv, i, ii, iii
 
Answer & Explanation Answer: C) iii, iv, i, ii

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

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Q:

Arrange the given words in the sequence in which they occur in the dictionary.
1. Storm
2. Strap
3. Strangle
4. Stamped
5. Satire

A) 51432 B) 51342
C) 54132 D) 53412
 
Answer & Explanation Answer: C) 54132

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

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Q:

If (x – 2) and (x + 3) are the factors of the equation x2 + k1x + k2 = 0, then what are the values of k1 and k2?

A) k1 = 6, k2 = – 1 B) k 1 = 1, k 2 = – 6
C) k 1 = 1, k2 = 6 D) k1 = – 6, k2 = 1
 
Answer & Explanation Answer: B) k 1 = 1, k 2 = – 6

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find the odd word/letters/number pair from the given alternatives.
(A) Violin
(B) Piano
(C) Flute
(D) Harmonium

A) A B) B
C) C D) D
 
Answer & Explanation Answer: C) C

Explanation:
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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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Q:

If tanA - cotA = x, then value of x is?

A) (1 + 2cos2A)/(sinA cosA) B) (sinA cosA)/(1 - 2cos2A)
C) (sinA cosA)/(1 + 2cos2A) D) (1 - 2cos2A)/(sinA cosA)
 
Answer & Explanation Answer: D) (1 - 2cos2A)/(sinA cosA)

Explanation:
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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

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