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1440 ÷ 12 + 540 ÷ √36 + ? = 180 * 3

125% of 129 ÷ 43 × 28 ÷ 7 = ? ÷ √16

(√ 121 x 41) + (³√343 x √289  ) = ? x 19    

15% of 360 × 20% of ? = 324

If a³ - b³ = (a - b)(a² + ab + b²), find a³ - b³ when a = 10 and b = 4.

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

(352 - ?) ÷ 8 = 2.5 X 40 - 444 ÷ 6

55% of ? = 45 + 20 × 6

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

?² = 240 * √25 + 38 * 5 - 94

180 % of 45 + √144 × 8 = ?²  + 80 % of 70