On the basin of which river gold is found in Uttar

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

60% of 280 + 40% of 120 = ? ÷ 4

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

(308 – 154) ÷ 11 = ? ÷ 15

Simplify the following expression.

(3-3 × 3 + 3 ÷ 3 + 3 × 5) × 2 of 5 + (2 + 2 ÷ 2 + 2 × 2 - 2)

(2⁵ + 12) x 6 + 34 = ? + 18

(2/3) × (5/7) × (3/4) × ? = 80

16 × 14 + 30 × 21 = 14 × ?

35% of 240 – 6 ² = ? ² – √256

46% of 13/92 × 24/91 × 3500 =?

5/13 × 104 + 1(2/9) × 198 = 133 + ?