Find the next number in the series.
279, 358 , 437 , 516, _ ,.................
Answer
279, 358 , 437 , 516, _ ,.................
2 , 3 , 4 , 5, 6,.........
7 , 5 , 3 , 1, -1,.........
9 , 8 , 7 , 6, 5,.........
So the answer is suppose to be 6 -1 5 Oops I did not realize there we go to minus range. There is really no answer if we consider this pattern. :)
But the same person who answered to the "Math IQ" has given an excellent answer to this too. :)
Maybe the answer could be:
( ( x + 1) x 100) + ( (9 - 2x) x 10 ) + (10 - x )
so for x = 1:
((2) x 100) + ( (9 - 2) x 10 ) + (9) = 279
x = 2:
((3) x 100) + ((9 - 4) x 10) + (8) = 358
x = 3:
((4) x 100) + ((9 - 6) x 10) + (7) = 437
x = 4
((5) x 100) + ((9 - 8) x 10 ) + (10 - 4) = 516
So then the next in the sequence would be:
x = 5
((6) x 100) + ((9 - 10) x 10) + (10 - 5) = 600 - 10 + 5 = 595
and so on.....
And the equation at the top can be rewritten more simply as:
After I checked the above answer only I realized there is another pattern in the series.
27 9, 35 8 , 43 7 , 51 6, _ ,.................
27 , 35 , 43 , 51 , 59, .............................
+8 +8 +8 +8
9, 8, 7 , 6, 5,.......................
-1 -1 -1 -1
Answer 59 5 595
Answer
279, 358 , 437 , 516, _ ,.................
2 , 3 , 4 , 5, 6,.........
7 , 5 , 3 , 1, -1,.........
9 , 8 , 7 , 6, 5,.........
So the answer is suppose to be 6 -1 5 Oops I did not realize there we go to minus range. There is really no answer if we consider this pattern. :)
But the same person who answered to the "Math IQ" has given an excellent answer to this too. :)
Maybe the answer could be:
79x + 200
and that will give the same result:
x = 1: 79 + 200 = 279
x = 2: 158 + 200 = 358
x = 3: 237 + 200 = 437
x = 4: 316 + 200 = 516
x = 5: 395 + 200 = 595
27 , 35 , 43 , 51 , 59, .............................
+8 +8 +8 +8
9, 8, 7 , 6, 5,.......................
-1 -1 -1 -1
Answer 59 5 595
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