What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−‘ are interchanged and ‘×’ and ‘÷’ are interchanged?
38 ÷ 21 + 436 × 4 − 73 = ?

Question

Question

This question was previously asked in

RRB NTPC Graduate Level CBT-I Official Paper (Held On: 05 Jun, 2025 Shift 1)

Answer 1

BODMAS Rule:

Given the interchange rules:

Given e×pression: 38 ÷ 21 + 436 × 4 − 73

After replacing the symbols with their meanings:

⇒ 38 × 21 − 436 ÷ 4 + 73

Perform operations according to BODMAS:

⇒ 38 × 21 − 436 ÷ 4 + 73

⇒ 798 - 109 + 73

⇒ 689 + 73

⇒ 762

Hence, the correct answer is "Option 1".