यदि 64 # 53 × 2 = 13 और 13 # 7 × 1 = 7 है, तो 4 # 8 × 19 = क्या होगा?

1
15
2
23
3
-31
4
-39

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Quick Navigation