Which of the following element is not involved in chlorophyll structure?
Chlorophyll a - C55H72O5N4Mg. Chlorophyll b - C55H7O6N4Mg. Manganese is not involved.
5(? + 2) = 3125
24% of 450 - 18 of 4 = 20 + ?4
15% of 2400 + (√ 484 – √ 256) = ?
20 + 160/? × 20 = 420
√ [? x 11 + (√ 1296)] = 16
[(40)2 ÷ 32 × 4] ÷ 50 = ?
7.4 × 8.2 + 3.5 × 4.5 = ? + 11.5 × 2.5
68% of 450 – 1008 ÷ 14 + 516 ÷ 43 =?
[(√576 × √144) ÷ √1296]2 = ? ÷ 3
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