Aptitude and Reasoning Questions

Q:

What is the sum of a3+b3+c3-3abc, when the value of a=4, b=2 and c=-6?

A) 0 B) 2
C) 4 D) 6
 
Answer & Explanation Answer: A) 0

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 1918
Q:

If in a certain language, STRING is coded as TSIRGN, how is RANDOM coded in that code?

A) ANRDMO B) ARDONM
C) ARDNMO D) ADRONM  
 
Answer & Explanation Answer: C) ARDNMO

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

0 1917
Q:

In a trapezium ABCD, AB and DC are parallel sides and ∠ ADC = 90°. If AB = 15 cm, CD = 40 cm and diagonal AC = 41 cm. Then the area of the trapezium ABCD is

A) 245 cm2 B) 240 cm2
C) 247.5 cm2 D) 250 cm2
 
Answer & Explanation Answer: C) 247.5 cm2

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Filed Under: Area
Exam Prep: Bank Exams

0 1917
Q:

If a2sec2x - b2tan2x = c2 then the value of sec2x + tan2x is equal to (assume b2 ≠ a2 )

A) b2-a2+2c2b2+a2 B) b2+a2-2c2b2-a2
C) b2-a2-2c2b2+a2 D) b2-a2b2+a2+2c2
 
Answer & Explanation Answer: B) b2+a2-2c2b2-a2

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1917
Q:

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement:
K > R = L, P > L, R ≥ S
Conclusion:
I. S < L
II. L = S

A) If only conclusion I follow. B) If only conclusion II follow.
C) If either conclusion I or conclusion II follows. D) If neither conclusion I nor II follows.
 
Answer & Explanation Answer: C) If either conclusion I or conclusion II follows.

Explanation:

K > R = L, P > L, R ≥ S
L = R ≥ S
Conclusions:
I. S < L
II. L = S
This forms a complementary pair - S is either smaller or equal to L. Hence, the correct option is Either conclusion I or conclusion II follows.

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Filed Under: Statement and Conclusions
Exam Prep: AIEEE , Bank Exams , GATE

0 1917
Q:

Six persons L, M, N, O, P and Q sit in a linear row adjacent to each other facing north. Three persons sit between Q and P. N sits immediate left of Q. Two persons sit between N and M. How many persons sit to the left of M? 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

Explanation:
 N  Q  L/O  M  O/L  P
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0 1917
Q:

1/8 th of the audience of a program Jabardast were children, 2/5th of the audience were men and the rest women. If the number of women audience is 380, find the total number of audience in the program?

A) 600 B) 500
C) 400 D) 800
 
Answer & Explanation Answer: D) 800

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Filed Under: Percentage
Exam Prep: Bank Exams

2 1917
Q:

You are given a question and two statements. Identify which of the statements is/are necessary/sufficient to answer the question.

Question:
Among the bags A, B, C and D which one is the lightest bag?

Statements:
1. B is heavier than A
2. A is lighter than C and D

A) Statement 2 alone is sufficient B) Statement 1 and 2 together are necessary
C) Statement 1 alone is sufficient D) Statement 1 and 2 are not sufficient to solve
 
Answer & Explanation Answer: B) Statement 1 and 2 together are necessary

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0 1917