English Medium कक्षा १० - CBSE Question Bank Solutions for Mathematics

Find the sum 2 + 4 + 6 ... + 200

Find the sum 3 + 11 + 19 + ... + 803

Find the sum:

25 + 28 + 31 + ... + 100

Find the values of k for which the roots are real and equal in each of the following equation:

(k + 1)x² - 2(3k + 1)x + 8k + 1 = 0

Find the sum of the first 15 terms of the following sequences having n^th term as a_n = 3 + 4n.

Find the sum of the first 15 terms of each of the following sequences having the nth term as

b_n = 5 + 2n

Find the sum of the first 15 terms of the following sequences having n^th term as y_n = 9 – 5n.

Find the values of k for which the roots are real and equal in each of the following equation:

5x² - 4x + 2 + k(4x² - 2x - 1) = 0

Find the sum of first 20 terms of the sequence whose nth term is `a_n = An + B`

Find the values of k for which the roots are real and equal in each of the following equation:

(4 - k)x² + (2k + 4)x + 8k + 1 = 0

Find the sum of the first 25 terms of an A.P. whose nth term is given by a_n = 2 − 3n.

Find the values of k for which the roots are real and equal in each of the following equation:

(2k + 1)x² + 2(k + 3)x + (k + 5) = 0

Find the values of k for which the roots are real and equal in the following quadratic equation:

4x² – 2(k + 1)x + (k + 4) = 0

In an A.P., the sum of first n terms is `(3n^2)/2 + 13/2 n`. Find its 25^th term.

Find the values of k for which the roots are real and equal in each of the following equation:

x² - 2(k + 1)x + (k + 4) = 0

Find the values of k for which the roots are real and equal in the following quadratic equation:

k²x² – 2(2k – 1)x + 4 = 0

Find the values of k for which the roots are real and equal in each of the following equation:

(k + 1)x² - 2(k - 1)x + 1 = 0

Find the values of k for which the roots are real and equal in the following equation:

2x² + kx + 3 = 0

Find the values of k for which the roots are real and equal in the following equation:

kx(x – 2) + 6 = 0

Find the values of k for which the roots are real and equal in the following equation:

x² – 4kx + k = 0