What is the number in place of ? mark.
6. 15. 35, 7, 143, 221
Answers
6, 15, 35, 77, 143, 221, 323
Step-by-step explanation:
There is an error in the question. The series should actually be 6, 15, 35, 77, 143, 221. 7 is given in question in place of 77.
Please find solution based on the series 6, 15, 35, 77, 143, 221......
The terms of the series are products of two consecutive prime numbers
(2 * 3), (3 * 5), (5 * 7), (7 * 11), (11 * 13), (13 * 17)....
So the next number in the series will be 17 * 19 = 323
Given : 6. 15. 35, 77, 143, 221
To find : next number in series
Solution:
6 = 2 * 3 ( 1st prime number * 2nd Prime number)
15 = 3 * 5 ( 2nd prime number * 3rd prime number)
35 = 5 * 7 ( 3rs prime number * 4th prime number)
77 = 7 * 11 ( 4t prime number * 5th prime number)
143 = 11 * 13 ( 5th prime number * 6th Prime number)
221 = 13 * 17 ( 6th prime number * 7th prime number)
? = 17 * 19 ( 7th Prime number * 8th prime number)
= 323
323 is Next number in series
Logic
Tₙ = (nth prime number) * ( (n +1)th prime number )
Learn more:
Can you crack the logic?
https://brainly.in/question/16643982
3+5+6 = 151891 , 5+3+2 = 151051, 5+4+5= 202513, 8+6+3=482455
https://brainly.in/question/16512845
Can you crack the logic?
https://brainly.in/question/16643982