Which is the biggest ocean in the

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

28 × 15 + 48% of ? = 780

Evaluate: 84 ÷ 7 × (3 + 5) − 2³

41.66% of 888 + 66.66% of 1176 = ?² - ⁴√ 16  

8⁹ ÷ 512 × (1/64) = (2³)^?

(49 x ?) / 3.5 + 389 = 627

15 × 35 ÷7 + 60% of 300 =?

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

40% of (120 + 80) + 25% of 160 = ?

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

(18 × 8 ÷ 12) × 10 = ?

(2⁵ + 12) x 6 + 34 = ? + 18