Sajit Kumar and M. Gagan Solutions for Chapter: Mathematical Reasoning, Exercise 1: Practice Excercise

Dr. R.P. Singh said to his assistant, 'I go to see this patient at his residence after every 3.30 hours. I have already gone to the patient 1.20 hours ago and next time I shall go at 1.40 p.m.' At what time this information was given to the compounder by the doctor?

Lakshmi remembers that her elder sister was married after $8$th May and before $11$th May. While Chitra remembers that she was married after $9$th May and before $12$th May. If the statements of both are supposed to be correct, then on which date of May she was married?

The sum of a number and its reciprocal is $2\frac{1}{20}$. The number is:

A two digit number is such that the product of the digits is $8$. When $18$ is added to the number, the digits are reversed. The number is:

The perimeter of a rectangle is $82 m$ and its area is $400 m^2$. The breadth of the rectangle is:

Out of a group of swans $\left(\frac{7}{2}\right)$, times the square root of the number are swimming in water while two remaining are playing on the shore. The total number of swans is:

If $\sqrt[3]{32}=2^x$, then $x$ is equal to:

How many times will the digit '$0$' appear between $1$ and $10,000$?