Aptitude and Reasoning Questions

Q:

If a3 + b 3 = 35 and ab = 6, then what is the value of a + b?

A) 5 B) 8
C) 2 D) -8
 
Answer & Explanation Answer: A) 5

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Q:

Simplify (b5x2a3z4)*(b3x2a4z5) / (a2b3z2)

A) b5x4a5z5 B) b5x4a5z7
C) b5x4a4z7 D) b4x4a5z7
 
Answer & Explanation Answer: B) b5x4a5z7

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Q:

What is the value of [(sin 59° cos 31° + cos 59° sin 31° )÷(cos 20° cos 25°  sin 20° sin 25° )]?

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

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Q:

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is

A) 220030 B) 22030
C) 1220 D) 1250
 
Answer & Explanation Answer: A) 220030

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Q:

The least number that must be substracted from 63520 to make the result a perfect square is

A) 30 B) 24
C) 14 D) 16
 
Answer & Explanation Answer: D) 16

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Q:

From the given answer figures, select the one in which the question figure is hidden / embedded.

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

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Q:

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 shown in the given two matrices. 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 ,for example 'F' can be represented by 41,24 etc and 'V' can be represented by 57,78 etc. similarly,you have to identify the set for the word ''MOCK''.

A) 20,86,11,65 B) 13,67,22,20
C) 12,89,12,69 D) 20,59,20,76
 
Answer & Explanation Answer: B) 13,67,22,20

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Q:

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 4 cm, then what is the area (in cm2) of an equilateral triangle with side equal to the bigger diagonal of the rhombus?

A) 6 B) 9√3
C) 12 D) 12√3
 
Answer & Explanation Answer: D) 12√3

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