Paddy and straw are an example

If a + b = 56 and (a – b)² = 496, find the value of the product of a and b.

If (x² + y²) = 9 and (xy)² = 3, then find the value of (x⁴ + y⁴).

If (a + b) = 13 and ab = 18, find the value of (a² + b²).

If x + y + z = 6, and x³ + y³ + z³ = 36, xyz = 6 then find (xy +yz + zx)?

Given a triangle with two sides measuring 12 cm and 16 cm, which of the following cannot be a possible length for the third side?

What will come in the place of question mark (?) in the given expression?

(360 ÷ 24 + 105)% of ? = 48

If 112 ÷28 x 2² –12 x 6 ÷ 3 +12 = z, then find the value of z.

If (a + b) = 7 and ab = 10, then find the value of (a ²  + b ² ).

If √r + (1/√r) = 4, then find the value of r + (1/r).