hay friends,
I lost my sleep due to this question.Pls some one help.very urgent
4+5 = 9
5+4 = 21
6+9= ?
Renjith S Nair (Accountant) (94 Points)
25 June 2013hay friends,
I lost my sleep due to this question.Pls some one help.very urgent
4+5 = 9
5+4 = 21
6+9= ?
PSPSPS
(Practicing)
(1344 Points)
Replied 25 June 2013
Based on 4 + 5 = 9
5 + 4= 21
6 + 9 = 15
9 + 6 = 75
vidhyalaksshmi
(student)
(190 Points)
Replied 26 June 2013
how did u get the answer ? can anyone explain, according to me it should me 15 and 45.
Jithin
(Learner)
(1057 Points)
Replied 26 June 2013
*RENU SINGH *
(✩ §m!ℓ!ñġ €ม€§ fℓม!ñġ ђ♪gђ✩ )
(21627 Points)
Replied 26 June 2013
Typically tough q for me ...
koi easy tarika ho to muje bi bata dena
nikhil jain
(CA-Final-Student)
(58 Points)
Replied 26 June 2013
Check this out....
4+5=9
5+4=21 [its 5+(4*4)] this is the actual logic..
Similarly,
6+9=15 &
9+6=45 [9+(6*6)]
CA Deepak Rathore
(CA)
(223 Points)
Replied 26 June 2013
Originally posted by : nikhil jain | ||
Check this out.... 4+5=9 5+4=21 [its 5+(4*4)] this is the actual logic.. Similarly, 6+9=15 & 9+6=45 [9+(6*6)] |
Jithin
(Learner)
(1057 Points)
Replied 26 June 2013
Originally posted by : nikhil jain | ||
Check this out.... 4+5=9 5+4=21 [its 5+(4*4)] this is the actual logic.. Similarly, 6+9=15 & 9+6=45 [9+(6*6)] |
Hi Nikhil, there is a problem with ur logic. It cant be applied to 4+5=9. If u do, u will get 29 & not 9. Whatever logic u apply, u have to apply it to both the cases,i.e.both 4+5=9 as well as 5+4=21. I can also say (5*5)-4=21 and use the same method to get 9+6=75[(9*9)-6]. But thats not the correct way..
Jithin
(Learner)
(1057 Points)
Replied 26 June 2013
Originally posted by : *RENU SINGH * | ||
Typically tough q for me ... koi easy tarika ho to muje bi bata dena |
Well it is actually very easy. I think the way I explained made it appear tough. U just write down the equations as below:
4+(1+4)=9
(1+4)+4=21
Multiply 2nd digit by 3rd digit & add the resultant figure to 1st & 2nd digits(as below)
(1*4)+4+1=9=RHS
(4*4)+1+4=21=RHS
Now lets compute 6+9 using the same logic..
6+(1+8)=(1*8)+6+1=15
Now lets find out 9+6
(1+8)+6=(8*6)+1+8=57
Hope its clear now
arihanth
(to become reputed CA)
(43 Points)
Replied 26 June 2013
arihanth
(to become reputed CA)
(43 Points)
Replied 26 June 2013
arihanth
(to become reputed CA)
(43 Points)
Replied 26 June 2013
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