1559.95 - 7.99 × 24.96 - ?2 = 1154
A. 14
B. 24
C. 32
D. 18
E. 8
Answer: Option A
Solution(By Examveda Team)
Let the number be aGiven,
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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