For which sport did Kale Sarika Sudhakar won the Arjuna

11, 18, 27, 38, 54, 66

ABCD is a cyclic quadrilateral in which AB =16.5 cm. BC = x cm. CD= 11 cm. AD 19.8 cm, and BD is bisected by AC at O. What is the value of x?

If n = 3 + √2, then find the value of (n + 1/n)².

If x + y + z = 4, xyz = 6 & x² + y² + z² = 8 then find the value of x³ + y³ + z³.

For which value of k does the quadratic equation

x² − 4(k + 1)x + (3k² + 8k + 4) = 0

have equal real roots?

If (a + b + c) = 18 and (ab + bc + ca) = 100, then find the value of (a² + b² + c²).

If (x ² = 6x – 9), then find the value of [x³ + (x⁴/9)][5 - x³]