Access thousands of curated questions from standard board papers.
After how many decimal places will the decimal expansion of 23 / (2^2 * 5) terminate?
Which of the following numbers is rational?
The sum of exponents of prime factors in the prime factorization of 196 is:
The prime factorization of 140 is:
For two positive integers a and b, if HCF(a, b) = 1, then LCM(a, b) is equal to:
The 10th term of the AP: 2, 7, 12, ... is:
The roots of the quadratic equation x² - 0.04 = 0 are:
The pair of equations y = 0 and y = -7 has:
For which value of k, the system of equations x + 2y = 3 and 5x + ky + 7 = 0 have no solution?
The zeros of the quadratic polynomial x² + 7x + 10 are:
Every point on the number line represents:
If the HCF of two numbers is 1, then the numbers are called:
The decimal expansion of 17/8 is:
The HCF of 135 and 225 using Euclid’s Division Lemma is:
Which of the following is an irrational number?
The value of k for which x = 1 is a zero of x² + kx + 2 is:
If α and β are the zeroes of x² - 5x + 6, then α + β is:
The degree of the polynomial x³ + 5x² + 3 is:
Which of the following is an irrational number?
If the zeroes of the quadratic polynomial x² + (a + 1)x + b are 2 and -3, then:
The HCF of 135 and 225 is: