Question :
Directions: In the following question you have to identify the correct response from the given premises stated according to the following symbols. What will be the correct mathematical signs that can be inserted in the following?
4..6..2..4..8 = 16
Option 1: –, ×, +, ÷
Option 2: ÷, +, ×, –
Option 3: +, ÷, –, ×
Option 4: ×, ÷, –, +
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Correct Answer: ×, ÷, –, +
Solution :
Given:
4..6..2..4..8 = 16
Let's check each option –
First option:
–, ×, +, ÷
4 – 6 × 2 + 4 ÷ 8
= 4 – 12 + 0.50
= –7.5 ≠ 16
Second option:
÷, +, ×, –
=
4 ÷ 6 + 2 × 4 – 8
= 0.67 + 8 – 8
= 0.67 ≠ 16
Third option:
+, ÷, –, ×
= 4 + 6 ÷ 2 – 4 × 8
= 4 + 3 – 32
= –25 ≠ 16
Fourth option:
×, ÷, –, +
= 4 × 6 ÷ 2 – 4 + 8
= 4 × 3 + 4
= 16
So, only the fourth option satisfies the given equation. Hence, the fourth option is correct.
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