WBBSE Class 10 Maths Algebra Chapter 3 Quadratic Surds Multiple Choice Questions

WBBSE Class 10 Maths Algebra Chapter 3 Quadratic Surds Multiple Choice Questions

Example 1. If x = 2 + √3 then the value of x + \(\frac{1}{x}\) is

1. 2
2. 2√3
3. 4
4. 2-√3

Solution: Answer is 3. 4

Wbbse Class 10 Maths Chapter 3 MCQs

Example 2. If peq = √13, p-q = √5 then the value of pq is

1. 2
2. 18
3. 9
4. 8

Solution: Answer is 1. 2

Read And Learn Also WBBSE Class 10 Maths Multiple Choice Questions

Example 3. If a + b = √5, a-b = √3 then a² + b² = ?

1. 8
2. 4
3. 2
4. 1

Solution: Answer is 2. 18

Class 10 Algebra Chapter 3 Mcqs With Answers

Example 4. If we subtract √5 from √125 the value is

1. 80
2. 120
3. 100
4. none of these

Solution: Answer is 1. 80

Example 5. The product of (5 – √3) (√3-1) (5 + √3) (√3 +1) is

1. 22
2. 44
3. 2
4. 11

Solution: Answer is 2. 44

Example 6. a = √6 + √5, ab = 1 then a² + b² = ?

1. 24
2. 26
3. 20
4. 22

Solution: Answer is 4. 22

Example 7. Greatest of 0, √5 + √3 and √6 + √2 is

1. 0
2. √5 + √3
3. √6+√2
4. None of these

Solution: Answer is 2. √5 + √3

Linear Equations Mcqs With Solutions

Example 8. √50 – 3√2-√8 =?

1. 1
2. √2
3. √5
4. 0

Solution: Answer is 4.0

Example 9. √5-√3=a,√5+√3=?

1. \(\frac{2}{a}\)
2. \(\frac{a}{2}\)
3. 0
4. none of these

Solution: Answer is 1. \(\frac{2}{a}\)

Example 10. If (√7- √3) ÷ √5 = \(\frac{1}{5}\) \((\sqrt{35+x})\) = then x = ?

1. √15
2. 15
3. -√15
4. -15

Solution: Answer is 3. -√15