Logical Reasoning

Blood Relations

Blood relation logical problems mainly deal with the hierarchical structure of a family.The typical relationships that are commonly used in blood relation problems are summarized as follows

My mother’s or father’s son my Brother.
My mother’s or father’s daughter my Sister.
My mother’s or father’s father my Grandfather.
My mother’s or father’s sister my Aunt.
My mother’s or father’s brother my Uncle.
My son’s wife my daughter-in-law.
My daughter’s husband my Son-in-law.
My brother’s son my Nephew.
My brother’s daughter my Niece.
My sister’s husband my brother-in-law.
My brother’s wife my Sister-in-law.
My husband’s or wife’s sister my Sister-in-law.
My husband’s or wife’s brother my Brother-in-law.
My uncle’s or aunt’s son or daughter my Cousin.
My wife’s father or husband’s father my Father-in-law.
My wife’s mother or husband’s mother my Mother-in-law.
My father’s wife my Mother.
My mother’s husband my Father.
My son’s or daughter’s son my Grandson.
My son’s or daughter’s daughter my Granddaughter.
The only son of your father Yourself
Wife of the father Mother
The only son of grandfather/mother Father
Only daughter-in-law of grandfather/mother Mother
Mother-in-law of mother Grandmother
Father-in-law of mother Grandfather
The only daughter of the father Sister
Son of the father of the sister Brother
Son of the only son of the father Son
Son of the only son of grandfather Brother
Daughter of the only son of Grandfather Sister

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By what number should we multiply -1/5 so that the product may be 9/25?

Profit and Loss

A person sells an article for Rs 550, gaining 1/10 of its cost price. Its gain percentage is.


If 3x + 2y = 12 and xy = 6, then 9x2 + 4y2 = ______.

Volume and Surface Area

In a temple there are 25 cylindrical pillars. The radius of each pillar is 28cm and height 4m. The total cost of painting the curved surface area of pillars at the rate of Rs. 8 per m2 is:

Problems on Ages

After 12 years, I shall be 3 times as old as I was 4 years ago. My present age is:

Square and Cube Root

The smallest number by which 1100 must be multiplied so that the product becomes a perfect square is____.


What is the probability that a number selected from the numbers 1, 2, 3,…….,25 is a prime number, when each of the given numbers is equally likely to be selected?

Square and Cube Root

What is the smallest number by which 3087 must be divided so that the quotient is a perfect cube?


The most comfortable distance at which one can read with a normal eye is:


Cholera is caused by:

Write the name of reptile with four chambered heart?

Compound Interest

Raj borrowed Rs. 5000 at 10% per annum on simple interest and lent the same amount at 15% per annum on compound interest. At the end of 2 years, he would ?


If the area of a square is 16 cm2, then the area of the square joining the mid-points of the sides is?

General Knowledge of MP

Vidisha is situated on the banks of river?

General Knowledge of World

When is the Human Rights Day celebrated?

Profit and Loss

By selling coconuts at the rate of Rs. 6/- each, a trader gained 20%. Find the cost of 100 coconuts?

General Knowledge of India

How many coastal state are in India?


A person is to count 4500 currency notes. Let an denote the number of notes he counts in the nth minute. If a1 = a2 = .... = a10 = 150 and a10 , a11 ,... are in an AP with common difference – 2, then the time taken by him to count all notes is ?