# Six single-digit numbers surrounding a three digit number - what's the rule?

Source: SOF World IMO Class 9

Find the missing number, if the same rule is followed in all the three figures.

2 1 4    2 3 3    4 6 7
\ | /    \ | /    \ | /
693      374       ?
/ | \    / | \    / | \
2 5 2    3 2 2    1 1 2

• (A) 937
• (B) 824
• (C) 769
• (D) 606

I have tried adding, multiplying, squaring, etc. but to no avail. What is the answer?

I finally got it!