Explore topic-wise MCQs in Mathematics.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

Summation or Subtraction of rational number and irrational number is always a/an __________ number.

A. natural
B. whole number
C. rational number
D. irrational number
Answer» E.
2.

By rationalising the denominator of ( frac{1}{5+ sqrt{7}} ), we get __________

A. ( frac{5- sqrt{7}}{5+ sqrt{7}} )
B. ( frac{5- sqrt{7}}{18} )
C. ( frac{5+ sqrt{7}}{18} )
D. ( frac{5+ sqrt{7}}{5- sqrt{7}} )
Answer» C. ( frac{5+ sqrt{7}}{18} )
3.

By rationalising the denominator of ( frac{1}{(6- sqrt{3})} ), we get __________

A. ( frac{6- sqrt{3}}{3} )
B. ( frac{6- sqrt{3}}{33} )
C. ( frac{6+ sqrt{3}}{3} )
D. ( frac{6+ sqrt{3}}{33} )
Answer» E.
4.

By simplifying (( sqrt{3}+ sqrt{2}) * ( sqrt{3}+ sqrt{2}) ), we get __________

A. 5 + 4 6
B. 5 + 2 6
C. 1
D. 5
Answer» C. 1
5.

By rationalising the denominator of ( frac{1}{ sqrt{3}} ), we get __________

A. ( frac{ sqrt{3}}{3} )
B. ( sqrt{3} )
C. ( frac{3}{ sqrt{3}} )
D. (3 sqrt{3} )
Answer» B. ( sqrt{3} )
6.

By simplifying (( sqrt{7}+ sqrt{5}) * ( sqrt{7}- sqrt{5}) ), we get __________

A. 24
B. 2
C. 12
D. 74
Answer» C. 12
7.

is __________ number.

A. natural
B. irrational
C. rational
D. negative
Answer» D. negative
8.

3 + ( sqrt{2} ) is a/an __________ number.

A. natural
B. irrational
C. rational
D. whole
Answer» C. rational
9.

If we add or subtract two irrational numbers, we get __________ number.

A. natural
B. rational
C. irrational
D. rational or irrational
Answer» E.
10.

If we add or subtract an irrational number and a rational number (non-zero), then we get a/an __________ number.

A. natural
B. rational
C. irrational
D. rational or irrational
Answer» D. rational or irrational
11.

If we multiply or divide two rational numbers, we get a/an __________

A. natural number
B. whole number
C. rational Number
D. irrational number
Answer» D. irrational number
12.

Summation or Subtraction of two non-zero rational numbers is a/an __________

A. natural number
B. whole number
C. rational Number
D. irrational number
Answer» D. irrational number