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Question : Directions: After interchanging the given two numbers what will be the values of equations (I) and (II) respectively?
7 and 8
I. 5 × 7 + 6 ÷ 2 – 8
II. 8 + 3 × 7 – 5 ÷ 1

Option 1: 36 and 26

Option 2: 20 and 18

Option 3: 36 and 16

Option 4: 20 and 19


Team Careers360 9th Jan, 2024
Answer (1)
Team Careers360 22nd Jan, 2024

Correct Answer: 36 and 26


Solution : Given:
7 and 8 are interchanged –
I. 5 × 7 + 6 ÷ 2 – 8 = ?
II. 8 + 3 × 7 – 5 ÷ 1 = ?

For equation I –
After interchanging the given mathematical numbers, we get –
⇒ 5 × 8 + 6 ÷ 2 – 7
⇒ 5 × 8 + 3 – 7
⇒ 40 + 3 – 7
= 36
For equation II –
After interchanging the given mathematical numbers, we get –
⇒ 7 + 3 × 8 – 5 ÷ 1
⇒ 7 + 3 × 8 – 5
⇒ 7 + 24 – 5
= 26

So, 36 and 26 are the answers to the given equations I and II respectively. Hence, the first option is correct.

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