Aptitude and Reasoning Questions

Q:

If tan2A - tan2B = x, then the value of x is

A) (sin2A - sin2B)/(cos2A cos2B) B) (sin2A sin2B)/(cos2A - cos2B)
C) (sin2A + sin2B)/(cos2A cos2B) D) (sin2A sin2B)/(cos2A + cos2B)
 
Answer & Explanation Answer: A) (sin2A - sin2B)/(cos2A cos2B)

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1893
Q:

If a boat goes upstream at a speed of 21 km/h and comes back the same distance at 28 km/h. What is the average speed (in km/hr) for the total journey?

A) 24.5 B) 24
C) 25 D) 25.4
 
Answer & Explanation Answer: B) 24

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Filed Under: Time and Distance
Exam Prep: Bank Exams

0 1893
Q:

What is the value of 1/√2 Cot 30° + 1/√3 Cosec 60°?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

1 1893
Q:

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

1/4, 0.65, ?, 29/20, 1.85

A) 1.1 B) 21/20
C) 19/20 D) 1.2
 
Answer & Explanation Answer: B) 21/20

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Filed Under: Number Series
Exam Prep: Bank Exams

1 1893
Q:

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., 'L' can be represented by 12, 24 etc., and 'R' can be represented by 55, 67 etc. Similarly you have to identify the set for the word 'SENT'

A) 10, 20, 58, 77 B) 22, 32, 65, 78
C) 34, 44, 67, 87 D) 41, 13, 87, 68
 
Answer & Explanation Answer: B) 22, 32, 65, 78

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

0 1893
Q:

Study the information carefully to answer the following questions: An urn contains 5 red, 3 green, 2 blue and 4 yellow marbles. If three marbles are picked at random, what is the probability that one is green and two are yellow?

A) 3/14 B) 2/91
C) 9/182 D) 7/545
 
Answer & Explanation Answer: C) 9/182

Explanation:

Required probability = 3×6364=9182

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5 1893
Q:

If the selling price is Rs 855 after getting a discount of 5%, what was the marked price?

A) Rs 897.75 B) Rs 812.25
C) Rs 814 D) Rs 900
 
Answer & Explanation Answer: D) Rs 900

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Filed Under: Percentage
Exam Prep: Bank Exams

5 1892
Q:

ΔABC and ΔDEF are two similar triangles and the perimeter of ΔABC and ΔDEF are 30 cm and 18 cm respectively. If length of DE = 36 cm, then length of AB is

A) 60 cm B) 40 cm
C) 45 cm D) 50 cm
 
Answer & Explanation Answer: A) 60 cm

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1892