Aptitude and Reasoning Questions

Q:

The point R(a,b) is first reflected in origin to R1 and R1 is reflected in x-axis to (-3,4). The co-ordinates of point R are

A) (3,4) B) (-3,-4)
C) (-3,4) D) (3,-4)
 
Answer & Explanation Answer: A) (3,4)

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Q:

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

 

Nitrogen fixation, Ammonification, Nitrification, ?

 

A) Denitrification B) Nitrate
C) Decomposer D) Fossil Fuel
 
Answer & Explanation Answer: A) Denitrification

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Q:

Simplify 576b3x2a4z3/36a3b2z

A) 16bx2az2 B) 8bx2az2
C) 32ba2 z D) 32bxa2
 
Answer & Explanation Answer: A) 16bx2az2

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Q:

Δ DEF is right angled at E. If m∠F = 45°, then what is the value of 2 Sin F x Cot F?

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

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Q:

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

NO, QR, UV, ZA, ?

A) EF B) DE
C) FG D) GH
 
Answer & Explanation Answer: C) FG

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Q:

A root of equation ax2 + bx + c = 0 (where a, b and c are rational numbers) is 5 + 3√3. What is the value of (a2 + b2 + c2)/(a + b + c)?

A) 35/3 B) 37/3
C) – 105/11 D) – 105/13
 
Answer & Explanation Answer: C) – 105/11

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Q:

If sec2A cosec2A = x, then x is

A) sec2A + cosec2A + 2 B) tan2A + cot2A - 2
C) tan2A + cot2A + 2 D) sec2A + cosec2A - 2
 
Answer & Explanation Answer: C) tan2A + cot2A + 2

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Q:

If M = 0.1 + (0.1)2 + (0.01)2 and N = 0.3 + (0.03)2 + (0.003)2, then what is the value of M + N?

A) 0.411009 B) 0.413131
C) 0.313131 D) 0.131313
 
Answer & Explanation Answer: A) 0.411009

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