Arithmetical Reasoning Questions

Q:

Insert the missing character depicted by '?'

 

 

A) 2 B) 3
C) 4 D) 5
 
Answer & Explanation Answer: B) 3

Explanation:
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Q:

17 tens in unit form?

A) One 1 Seven 7 Ten 10 B) One 1 Seven 10 0 ones
C) 1 hundred, 7 tens, 0 ones D) 1 ten and 7 ones
 
Answer & Explanation Answer: C) 1 hundred, 7 tens, 0 ones

Explanation:

Firstly 17 tens = 17 x 10 = 170

17 tens = 170 in unit form can be written as 1 hundred, 7 tens, 0 ones.

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Q:

Select the correct set of symbols

 

44   4   7   5   =   82

 

 

A) x, -, / B) +, /, -
C) +, -, / D) /, x, +
 
Answer & Explanation Answer: D) /, x, +

Explanation:
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Q:

If the LCM and HCF of two numbers are equal, then the numbers must be 

A) Prime Numbers B) Composite Numbers
C) Equal D) Co- prime Numbers
 
Answer & Explanation Answer: C) Equal

Explanation:

If LCM = HCF then, the two numbers are equal.

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Q:

Insert the missing character depicted by '?'

 

 

 

A) 41 B) 64
C) 35 D) 61
 
Answer & Explanation Answer: B) 64

Explanation:
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Q:

Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers ?

A) 12 & 7 B) 13 & 8
C) 15 & 10 D) 14 & 9
 
Answer & Explanation Answer: A) 12 & 7

Explanation:

x – y = 5

4x – 6y = 6

x = 12 y = 7

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Q:

If two is subtracted from each odd digit and three is added to each even digit in the number 94257636, how many digits will appear twice in the new number thus formed ?

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: D) 3

Explanation:

EXP.

Here 5, 7 & 9 are repeating after modulation.

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Q:

Lami's theorem is applicable only for

A) Non-Concurrent forces B) Coplanar forces
C) Coplanar and concurrent forces D) Any type of forces
 
Answer & Explanation Answer: C) Coplanar and concurrent forces

Explanation:

The Lami's theorem states that " If three forces coplanar and concurrent forces acting on a particle keep it in equilibrium, then each force is proportional to the sine of the angle between the other two and the constant of proportionality is the same." This theorem is derived from the Sine rule of triangles.

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