Arithmetical Reasoning Questions

Q:

In a row, pankaj is at 29th position from left and 33rd position from right. How many boys are there in the row?

A) 59 B) 62
C) 61 D) 60
 
Answer & Explanation Answer: C) 61

Explanation:
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Q:

Cartesian product in relational algebra is

Answer

The Cartesian Product is also an operator which works on two sets. It is sometimes called the CROSS PRODUCT or CROSS JOIN. It combines the tuples of one relation with all the tuples of the other relation.

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Q:

Every integer is a rational number.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Yes, Every integer is a rational number.  A rational number is a number which can be expressed as a ratio of two integers numerator and denominator where (the denominator not being 0 ).


Hence, Every integer can be expressed in ratio of two integers. 

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Q:

If the digits in the number 79246358 are arranged in descending order from left to right, what will be the difference between the digits which are third from the right and second from the left in the new arrangement?

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

Explanation:

Number - '79246358' If the digits are arranged in descending order from left to right, new number = 98765432 Difference between the digits which are third from the right and second from the left = 8 - 4 = 4.

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Q:

Sanjeev scored the highest marks in the class. Rahul scored more than Nirbhay but lesser than Sameer. Arpit scored more than Rahul. Who got the 4th Rank out of the five?

A) Sameer B) Nirbhay
C) Rahul D) Arpit
 
Answer & Explanation Answer: C) Rahul

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Q:

Two angles whose sum is 90 are

A) Supplementary angles B) corresponding angles
C) Complimentary angles D) Alternate angles
 
Answer & Explanation Answer: C) Complimentary angles

Explanation:

Complimentary angles are those two angles whose sum is 90 whereas two angles whose sum is 180 are called Supplementary angles.

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Q:

If 9 * 2 * 5 = 23 and 1 * 4 * 8 = 29, then 1 * 6 * 3 = ?

A) 19 B) 21
C) 31 D) 39
 
Answer & Explanation Answer: A) 19

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Q:

There are five students - P, Q, R, S and T having different heights in a class. P's height is more than only one student. Q's height is more than S and P
but not more than R. S's height is more than P. R is not the smallest. Who is having the maximum height in the class?

A) Q B) R
C) S D) T
 
Answer & Explanation Answer: B) R

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