How many languages are there in the 8th Schedule of the Indian Constitution as on June 2022?
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding / subtracting / multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
(1, 8, 3)
(2, 21, 5)
If α and β are the roots of x² + x − 2 = 0, then the quadratic equation in x whose roots are \( \frac{1}{a} \) + \( \frac{1}{b} \) and αβ is:
2x² + 5x − 2 = 0
2x² + 3x − 2 = 0
2x² − 5x + 2 = 0
2x² − 3x + 2 = 0