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This question belongs to Arithmetic Ability Simplification
Simplification
?

1559.95 - 7.99 × 24.96 - ?2 = 1154

Answer & Solution
Correct Answer: Option A
Let the number be a
Given,
1559.95 - 7.99 × 24.96 - a2 = 1154
⇒ 1560 - 8 × 25 - a2 = 1154
⇒ 1360 - 200 - a2 = 1154
⇒ a2 = 1360 - 1154
⇒ a2 = 206
⇒ a ≈ $$\sqrt {206} $$
⇒ a ≈ 14
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