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Nairaland Forum / Nairaland / General / Education / Nobody Will Be Able To Solve This (1401 Views)
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Nobody Will Be Able To Solve This by Nobody: 9:01pm On May 24, 2019 |
CAN YOU SOLVE THIS —+—+— = 30 Fill the lines using (1 3 5 7 9 11 13 15) You can also repeat the numbers,but must be three numbers only. This question came in UPSC final exam held in December 13 at India. You will be glad to note that only Gaurav Agarwal(IAS topper) could solve it. |
Re: Nobody Will Be Able To Solve This by RealLordZeus(m): 9:13pm On May 24, 2019 |
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Re: Nobody Will Be Able To Solve This by Godhead4(m): 10:03pm On May 24, 2019 |
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Re: Nobody Will Be Able To Solve This by CodeTemplar: 3:59am On May 25, 2019 |
The answer is no answer because there is no way you can add odd number (3) of odd numbers (1, 3, 5, 7, 9, 11, 13, 15) to get an even number - 30. I solved it. |
Re: Nobody Will Be Able To Solve This by Nobody: 7:05am On May 25, 2019 |
MatthAnn:11+3!+13=3 ![]() 1 Like |
Re: Nobody Will Be Able To Solve This by Nobody: 12:25am On May 26, 2019 |
Darivie04:419 You want to manipulate it right? |
Re: Nobody Will Be Able To Solve This by Nobody: 11:29am On May 26, 2019 |
Re: Nobody Will Be Able To Solve This by Nobody: 5:21pm On May 29, 2019 |
Darivie04:Olodo I sent you to school,bought big big textbooks. Textbooks that are even bigger than Bombay. It's is your type that will still turn w to m. This boy will not kill me, the answer to what you just solved is 20. |
Re: Nobody Will Be Able To Solve This by Nobody: 6:55am On May 30, 2019 |
MatthAnn:Ooops that was a typo. There was supposed to be a 1 before the 3 to make 13. |
Re: Nobody Will Be Able To Solve This by Nobody: 2:37pm On May 30, 2019 |
Darivie04:Eya |
Re: Nobody Will Be Able To Solve This by MeetDx(m): 1:28pm On Jun 13, 2019 |
MatthAnn: Just use 5 and 7. That's all.... —+—+— The above can also be written as => (—)(+)(—)(+)(—) The bracket means multiplication... And also => =>> (—+5)(—7)+(—5) =>> (-5)(-7)+(-5) =>> 35 + (-5) =>> 35 - 5 =>>30 |
Re: Nobody Will Be Able To Solve This by blecin(m): 7:52pm On Jun 13, 2019 |
MatthAnn: Solution: 11-1+11-1+11-1=30 |
Re: Nobody Will Be Able To Solve This by MeetDx(m): 7:40pm On Jun 14, 2019 |
blecin: Nice...15, 9 and 3 (15-3+9-3+15-9 = 30) will work out for addition and subtraction too...but still not all that correct, considering the problem has only two plus (+) and three minus (-). Changing it to +-+-+- becomes something new and different! But using multiplication, addition and subtraction does work since there was no instruction(s) given to the contrary. |
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