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Directions For Questions
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25% of 98 ÷ 7 =?
[(25 × 98)/100] ÷ 7 = 24.5 ÷ 7 = 3.5
By approximation, we get:
– 6 + = (?)2
⇒ 45 – 6 + 10 = (?)2
⇒ 49 = (?)2
⇒ = ?
⇒ ? = 7
47 × 9 + 11 × 9 = ? × 18
⇒ 423 + 99 = ? × 18
⇒ 522 = ? × 18
⇒ ? =
⇒ ? = 29
Correct (-)
Wrong (-)
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