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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 | |