Choose the correct number in place of ?
| 5 | 6 | 8 | 169 |
| 4 | 7 | 31 | 144 |
| 7 | ? | 14 | 361 |
opptions are :-
(a) 5
(b) 3
(c) 2
(d) 4
Answers
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Given :
| 5 | 6 | 8 | 169 |
| 4 | 7 | 31 | 144 |
| 7 | ? | 14 | 361 |
To Find : the correct number in place of ?
(a) 5
(b) 3
(c) 2
(d) 4
Solution :
| 5 | 6 | 8 | 169 |
5³ + 6² + 8 = 125 + 36 + 8 = 168
| 4 | 7 | 31 | 144 |
4³ + 7² + 31 = 64 + 49 + 31 = 144
| 7 | ? | 14 | 361 |
Let say x comes at ? place
7³ + x² + 14 = 343 + x² + 14 =361
=> 357 + x² =361
=> x² =4
=> x = 2
Hence 2 will come in place of ?
Learn More
https://brainly.in/question/31513321
a6+1 = 372 +4= 661+9 = 846+4
https://brainly.in/question/12677070
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