Question : Directions: After interchanging the given two numbers what will be the values of equations (I) and (II) respectively?
8 and 2
I. 3 + 6 – 8 × 4 ÷ 2
II. 12 ÷ 6 × 9 – 2 + 8

Option 1: 12 and 8

Option 2: 9 and 15

Option 3: 9 and 81

Option 4: 8 and 12


Team Careers360 7th Jan, 2024
Answer (1)
Team Careers360 22nd Jan, 2024

Correct Answer: 8 and 12


Solution : Equation I. 3 + 6 – 8 × 4 ÷ 2
On interchanging the numbers, we get –
= 3 + 6 – 2 × 4 ÷ 8
= 3 + 6 – 2 × 0.5
= 3 + 6 – 1
= 9 – 1
= 8
Equation II. 12 ÷ 6 × 9 – 2 + 8
On interchanging the numbers, we get –
= 12 ÷ 6 × 9 – 8 + 2
= 2 × 9 – 8 + 2
= 18 – 8 + 2
= 20 – 8
= 12

So, the values are 8 and 12. Hence, the fourth option is correct.

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