Who recently took over as the Director of the Central

What value should come in the place of (?) in the following questions?

(√576 * 35 ÷7) * 20% of ? = 72

Simplify: 3/4 of 2½ + 2/3 of 1½

276 ÷ 11.5 + 12 = ? x 3

√ 729 × 5 – 220 % of 15 + ? = 120% of 160

Simplify: (2³×3²) ÷6

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

{180 + (2250/15)} ÷ 11 = ?² + 14

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

What value should come in place of (?) question mark in the given expression.

75% of 320 + 40% of 150 = ?

2048 × 1824 ÷ 76 = (? - 212) × 64