7=140,21=1320,15=? Slove this reasoning queri
Answers
Answered by
0
Answer:
15 = 672
Step-by-step explanation:
7 = 140
21 = 1320
15 = ?
x = y
y = 3x² - a a is smallest factor of x other than 1
3*7² - 7 = 140 ( 7 itself is smallest factor of 7)
3*21² - 3 = 1320 ( 3 is smallest factor of 21 = 3 * 7)
3*15² -3 = 675 - 3 = 672 ( 3 is smallest factor of 15 = 3 * 5)
15 = 672
Answered by
0
Answer:
Step-by-step explanation:
Similar questions