5 7 2 1 =63. 4. 5. 3. 2. =72 than 3 5 4. 2 =
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Answered by
5
Solution:
1.
5. 7. 2. 1=63
Rule: 5 + 7 + 2+ 1= 15
15 × 4+ 3= 63
2.
4. 5. 3. 2= 72
Rule : 4 +5+3+2= 14
14 × 5 +2=72
The next series is
3.
⇒ 3 . 5 . 4. 2
3 +5+4+2= 14
14 × 6 + 1 = 84 +1=85
Answered by
11
given, 5 7 2 1 = 63 , 4 5 3 2 = 72
5 7 2 1 = 63
let's add 5, 7, 3 and 1 ,
5 + 7 + 2 + 1 = 15
15 × 4 + (4 - 1) = 63
again, 4 5 3 2 = 72
4 + 5 + 3 + 2 = 14
14 × (4 + 1) + (4 - 2) = 70 + 2 = 72
so, 3 5 4 2 = ?
(3 + 5 + 4 + 2) × (4 + 2) + (4 - 3) = 14 × 6 + 1 = 85
hence, 4 5 3 2 = 85
5 7 2 1 = 63
let's add 5, 7, 3 and 1 ,
5 + 7 + 2 + 1 = 15
15 × 4 + (4 - 1) = 63
again, 4 5 3 2 = 72
4 + 5 + 3 + 2 = 14
14 × (4 + 1) + (4 - 2) = 70 + 2 = 72
so, 3 5 4 2 = ?
(3 + 5 + 4 + 2) × (4 + 2) + (4 - 3) = 14 × 6 + 1 = 85
hence, 4 5 3 2 = 85
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