1 View

Question : Directions: Which of the mathematical signs should be interchanged in the below equation, to make it mathematically correct?
10 + 54 ÷ 9 – 4 × 60 = 116

Option 1: – and ×

Option 2: ÷ and ×

Option 3: + and ×

Option 4: + and –


Team Careers360 12th Jan, 2024
Answer (1)
Team Careers360 17th Jan, 2024

Correct Answer: + and ×


Solution : Given:
10 + 54 ÷ 9 – 4 × 60 = 116

Replace the given symbols in the options one by one with the original symbols in the given equation.
First option: – and ×
10 + 54 ÷ 9 – 4 × 60 = 116
⇒ 10 + 54 ÷ 9 × 4 – 60
⇒ 10 + 6 × 4 – 60
⇒ –26 ≠ 116
Second option: ÷ and ×
10 + 54 ÷ 9 – 4 × 60 = 116
⇒ 10 + 54 × 9 – 4 ÷ 60
⇒ 10 + 54 × 9 – 0.06
⇒ 10 + 486 – 0.06
⇒ 495.94 ≠ 116
Third option: + and ×
10 + 54 ÷ 9 – 4 × 60 = 116
⇒ 10 × 54 ÷ 9 – 4 + 60
⇒ 10 × 6 – 4 + 60
⇒ 116 = 116
Fourth option: + and –
10 + 54 ÷ 9 – 4 × 60 = 116
⇒ 10 – 54 ÷ 9 + 4 × 60
⇒ 10 – 6 + 240
⇒ 244 ≠ 116

Here, only the third option satisfies the R.H.S. of the given equation. Hence, the third option is correct.

Know More About

Related Questions

TOEFL ® Registrations 2024
Apply
Accepted by more than 11,000 universities in over 150 countries worldwide
Manipal Online M.Com Admissions
Apply
Apply for Online M.Com from Manipal University
View All Application Forms

Download the Careers360 App on your Android phone

Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile

150M+ Students
30,000+ Colleges
500+ Exams
1500+ E-books