Question 29

Select the correct combination of mathematical signs to replace ‘A’ sequentially and balance the following equation.

40 A 2 A 3 A 4 A 15

Solution

By Trial and Error method,

Option A

$$40\div2\times3=4-15$$

$$20\times3=4-15$$

$$60=4-15$$

$$60=-11$$

Hence Option A is incorrect

Option B

$$40\div2\times3=4\times15$$

$$20\times3=4\times15$$

$$60=60$$

Hence, the correct answer is Option B

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