Division by zero is not defined.

Important Questions on Number Systems

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (COMPETITION WING)>Q 3

Division is commutative for integers.

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (COMPETITION WING)>Q 4

The sum of any two proper fractions is an improper fraction.

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (COMPETITION WING)>Q 5

The product of a proper and an improper fraction is less than the improper fraction.

EASY

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (COMPETITION WING)>Q 6

What is the additive identity element in the set of whole numbers?

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (COMPETITION WING)>Q 7

Which of the following is/are true?

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (COMPETITION WING)>Q 8

$M$ and $N$ are two co-primes. Which of the following is/ are true?

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (COMPETITION WING)>Q 9

If $a=(-1{)}^{2009}$ and $b=(-1{)}^{2010}$, then find the value of $ab$.

HARD

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (COMPETITION WING)>Q 10

$\sqrt{X}$ is a perfect square. Which of the following is/are true?