Lesson 3 of 3 · Operators replaced by symbols
Find correct equation
Mathematical Operations, Coded Inequalities, Missing Number · for IPMAT Indore, IPMAT Rohtak and JIPMAT · asked in JIPMAT 2025
The exam method
- Equation options. evaluate the cheapest option first; stop when one fits.
Worked examples
Example 4Typical
JIPMAT 2025: − is ÷, + is ×, ÷ is −, x is +. Which equation is correct? … (D) 6 ÷ 20 x 12 + 7 − 1 = 70.
Solution: (D). 6 − 20 + 12 × 7 ÷ 1 = 70; the other left sides give 3, −4.7 and 4.
Example 5Typical
Which interchange makes 15 ÷ 5 + 2 − 3 + 9 = 83 correct?
Solution: × and ÷. 15 × 5 + 2 − 3 + 9 = 83.
Picked from the Operators replaced by symbols note for this micro-concept automatically. The whole note: Operators replaced by symbols.