Question
Identify the pairing that is not correctly matched.
 (I) Dry ice - Solid form of carbon dioxide  (II) Fullerene - An allotrope of hydrogen  (III) Teflon - Fluorine-containing polymerSolution
Fullerene is incorrectly described as an allotrope of hydrogen; it is actually an allotrope of carbon. The other two pairings are correct.
15.98% of 399.76 × 2.98 = ?% of 599.93Â
(56.03 + 112.98) ÷ 13.211 = 89.9 – 25.23% of ?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
45.05% of 260.05 – 20.15% of 149.99 × 3.02 = ?
(14.66)2 + (343.84 ÷ 3.88 - 55.87) = ? + 91.23
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exactvalue.)
(29.98% of 9840) + ? + (19.899% of 8490) = 7560
What will be the approximate value of the following questions.
(79.79% of 400.23 + 7/8 of 319.77) × (√35.66 + 1/5 of 200.27) = ?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
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