सारा राज्य उसके

{(21/20) + (20/21)}² - {(21/20) - (20/21)}² = ?

If x/y = 5/3, Find (x+y)/(x-y)?

√4096 + √(?) + 13 – 29 = 148 

If x = (2+√3)/(2-√3), y = (2-√3)/(2+√3). Then find out the value of (x²+y²-xy)/(x²+y²+xy)?

Rs. 25200 is invested in 3 parts in such a way that Simple Interest on 1^st Part at 4% per annum for 3 years, Simple Interest on 2^nd

If 70% of ‘y’ is 25% more than 30% of 140, then value of ‘y’ is:

What is the average of the first 20 multiples of 12?

If √e + (1/√e) = 10, then find the value of e + (1/e).

For which value of k does the quadratic equation

x² − 4(k + 1)x + (3k² + 8k + 4) = 0

have equal real roots?