What is the total number of circles passing through the two fixed points?

If z = 6 - 2√3, then find the value of (z - 1z)2.

If p + 1p = 10, then the value of p4 + 1p4.

If 7x + 9y3x - 4y = 198, then the value of x/y is

Amit is five years older than Vaibhav at present. After four years the ratio of their age will be 5:4. What is Amit age at present (in years)?

The first edition of National Youth Parliament Festival was held in which year?

Union Home Minister is to launch the 'Single Window Clearance System' in which sector?

‘Sea Vigil-21’ is a Defence Exercise undertaken by which country?