विद्यापति की 'पदावली'

(6² + 8² ) X ? = 80% of 500 - 25 X 4

20% of 450 - 15% of 400 = 25% of ?

30% of 215 + 135% of ? = 469.5

45% of 360 - 160 + ? = √324

14 × 11 + 25 – ? = 21% of 300

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

125% of 80 – 6 × 4 = ? × 13 – 54

Find the simplified value of the given expression:

1.8² + 2.4² + 1.5² - 1.8 x 2.4 - 2.4 x 1.5 - 1.8 x 1.5

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

45 × 2 + 180 ÷ 6 − 12 = ?