Question : Direction: Find the correct group of signs to solve the equation.
24 * 16 * 8 * 32
Option 1: +, –, =
Option 2: ÷, –, =
Option 3: –, +, =
Option 4: ×, ÷, =
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Correct Answer: +, –, =
Solution : Given: 24 * 16 * 8 * 32
Let's check the options —
First option: +, –, = On replacing → 24 + 16 – 8 = 32 ⇒ 24 + 16 – 8 = 32 ⇒ 40 – 8 = 32 ⇒ 32 = 32
Second option: ÷, –, = On replacing → 24 ÷ 16 – 8 = 32 ⇒ 24 ÷ 16 – 8 = 32 ⇒ 1.5 – 8 = 32 ⇒ –6.5 ≠ 32
Third option: –, +, = On replacing → 24 – 16 + 8 = 32 ⇒ 24 – 16 + 8 = 32 ⇒ 32 – 16 = 32 ⇒ 16 ≠ 32
Fourth option: ×, ÷, = On replacing → 24 × 16 ÷ 8 = 32 ⇒ 24 × 16 ÷ 8 = 32 ⇒ 24 × 2 = 32 ⇒ 48 ≠ 32
Hence, the first option is correct.
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Question : Direction: In the following question, which of the following interchange of signs would make the given equation correct?
(8 – 8) + 8 × 32 = 64
Option 1: ×, +, –
Option 2: –, ÷, +
Option 3: +, ÷, +
Option 4: +, ÷, ×
Question : Direction: Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
8 * 6 * 96 * 2 = 0
Option 1: ×, ÷, –
Option 2: ×, –, ÷
Option 3: –, ×, ÷
Option 4: ÷, –, ×
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 12 * 4 * 15 * 3 * 16 * 24
Option 1: +, –, ÷, ×, =
Option 2: –, +, ÷, ×, =
Option 3: ÷, –, +, ×, =
Option 4: ÷, +, ÷, +, =
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 9 * 16 * 64 * 8 * 2 * 9
Option 1: ÷, +, ×, –, =
Option 2: –, ÷, +, ×, =
Option 3: +, ÷, ×, –, =
Option 4: ÷, –, +, ×, =
15 * 24 * 3 * 6 * 17
Option 1: –, ÷, +, =
Option 2: +, ÷, –, =
Option 3: +, ×, =, ÷
Option 4: –, ×, =, +
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