Question

987=9667
765=5863
543=?
321=1183
​

Answer 1

321 = 361

Step-by-step explanation:

• Given - 987=9667 , 765=7835
• To find - 321=??
• SOLUTION - According to the series , the format is like ,

( First digit )² + ( Last digit )² - ( Second digit )² ----------》 Reverse the number = result.

According to the format ,

• 987 = 9²+7²-8²=66 - reverse - 66
• 765 = 7²+5²-6² =38 - reverse - 83
• 321 = 3²+1²-2² = 6 - reverse - 6

So the final answer is

• 987 = 9667
• 765 = 7835
• 321 = 361