दिए गए दो संख्याओं (अंकों को नहीं) को आपस में बदलने पर निम्नलिखित में से कौन सा समीकरण सही होगा? 8 और 7 I. 8 + 7 × 9 Á 3 - 6 = 25 II. 7 × 5 - 8 + 6 Á 2 = 38

If: 'A % B' means 'A is multiplied by B', 'A # B' means 'A is added to B', 'A @ B' means 'A is divided by B', and 'A $ B' means 'B is subtracted from A'; then what is the value of 15 @ 5 % 7 # 9 $ 4?

Which two numbers should be interchanged to make the given equation correct? 98 ÷ 3 + 25 × 7 - 18 = 71