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Hi AS, pls check again and inform if the last number in the series is 4 or -4 ???
last number is 4. thank you
the differences are 298 (89) 209 (80) 129 (71) 58 (54) 4, but i can't find a pattern there.
That is why I asked if the last number was -4 or not
My original answer was -13. But then my friend came up with -66. Think -66 is correct as the spread is 9
If it is -4 then it works out Each time the number being subtracted decreases by 9
So 58 - 62 = -4 and -4 - 53 = -57
That looks right on everything, but for the fact that the last number of the actual sequence doesn't fit.
AS, how did yr friend land up with -66?? what's the working??
For all u know, it might be a typo!!
exactly, twice though? i doubt that.
Not from AS, it might be a typo in the printed paper he got
Harkirat. Went back to the math problem. You are very sharp. The last number is a -4. So sorry. Does it make better sense now.
Sure does :)
Do I get two medals for that????
Yes, I gave you the medals...very well deserved. So what is your final answer? Like i said, originally I had -13 but got lost somewhere
Final answer is -57
Harkirat: Please explain -57. the differences are 298 (89) 209 (80) 129 (71) 58 (54) -4,
theres a change, because the final is -4, it is 62, not 54, so the difference decreases by 9 between each set, therefore the next one is 62-9=53, so -4-53=-57
See, it goes like this 298 - 89 = 209 209 - 80 = 129 129 - 71 = 58 58 - 62 = -4 -4 -53 = -57 Got it now??
Thank you so much. Yes, I see it now. You both Harkirat & buksbelly are very, very, sharp. Enjoy the rest of your evening. It's after 1:00 am., in California. Goodnight
Shubh Ratri (Good Night in Hindi )