Question

1. The sum of three consecutive multiples of ‘5’ is 45. What is the smallest of

the three multiples.

2. The present age of a grandfather is four times the age of his grandson. After

10 years the age of grandfather will become three times the age of his

grandson. Find their present ages.

3. In a two digit number, digit in units place is twice the digit in tens place. If

27 is added to it, digits are reversed. Find the number.

4. If numerator is 2 less than denominator of a rational number and when 1 is

subtracted from numerator and denominator both, the rational number in its

simplest form is

ଵ

ଶ . What is the rational number ?​

Answer 1

Answer:

the number which is written in the form of p by q where p and q are any integer and q not equal to zero is known as rational number