NCERT Class 10 Mathematics Quiz

If the HCF of two positive integers p and q is 6, and their LCM is 60, then what is the value of p × q?

• 360

• 120

• 180

• 100

What type of number √2 is ?

• Rational

• Irrational

• Integer

• Natural

The product of HCF and LCM of two numbers is equal to:

• The larger number

• The smaller number

• The product of the two numbers

• None of these

The degree of the polynomial

4x³ + 3x² - 5x +3 is:

• 1

• 2

• 3

• 4

If α and β are the zeroes of the quadratic polynomial x²-5x+6 , then α + β = ?

• 5

• 6

• -5

• -6

The number of zeroes of the polynomial x²-5x+6 is:

• 1

• 2

• 3

• 4

The pair of equations 2x + 3y = 6 and 4x + 6y= 12 has:

• No solution

• Unique solution

• Infinitely many solutions

• Cannot be determined

Which method is not used to solve a pair of linear equations?

• Substitution

• Cross-multiplication

• Bisection

• Elimination

If the pair of equations is consistent, then the lines will:

• Intersect at one point

• Never intersect

• Coincide

• Either (a) or (c)

The roots of the equation x²-4x+3 are:

• 1, 3

• -1, -3

• -1, 3

• 1, -3