Question

If 7,2,1,5= 63
And 5,3,2,4=72
Then4,2,1,3?
26
25
28
22

Answer 1

Answer : $\bold{28}$


Explanation -

Given :

5,7,1,2 = 63

4,5,3,2 =72

3,4,2,1 = ?


Finding how 5,7,1,2 = 63

${5}^{1} + {7}^{2} + {1}^{3} + {2}^{4}$

$5 + 49 + 1 + 16 = 63$


Finding how 4,5,3,2 =72


${4}^{1} + {5}^{2} + {3}^{3} + {2}^{4}$

$4 + 25 + 27 + 16 = 72$


In the same way, Finding 3,4,2,1 = ?


${3}^{1} + {4}^{2} + {2}^{3} + {1}^{4}$

$3 + 16 + 8 + 1 = 28$



Hence :

Required Answer is 28.

Answer 2

Answer:

28 is the right answer.

Step-by-step explanation:

7,2,1,5= 63

63 is obtained by :

$7^2+4^3+1^4+5^1\\=49+8+1+5\\=63$

5,3,2,4=72

72 is obtained by :

$5^2+3^3+2^4+4^1\\=25+27+16+4\\=72$

Similarly, to get the required value of 4,2,1,3 :

We add the : square of the first term, cube of the second term, raise to the power 4 of the third term, and the last term

⇒ 4,2,1,3 :

$4^2+2^3+1^4+3^1\\=16+8+1+3\\=28$

Hence, 28 is the right answer.