Brain Twister !!!!!!!!
Here is an Aptitude Question !!!!
If
2+3 = 8
3+7=27
4+5=32
5+8=60
6+7=72
7+8= ?????
Asked By Infosys in Their Aptitude Test..............
Solve it If U Can ?????????????
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BRAIN TWISTER !!!!!!
Replies (7)
98
98
CAN U ELOBORATE UR ANSWERS
Add 7+8 i.e. 15
Now 15*7=105
Now 105-7=98
98
You all are Right !!!!!!!!!
& From Mine Side U All Are Invited to Infosys Compnay as a Fresh Chartered Accountant...........
u get the ans in following methods as well
| Method 1 | ||||
| No | No | No | method1 | Incremental |
|
2
|
3 | 8 | 8 - (3*2) = 2 | |
| 3 | 7 | 27 | 27 -(7*3) =6 | 4 |
| 4 | 5 | 32 | 32 - (5*4)=12 | 6 |
| 5 | 8 | 60 | 60 - (5*8)=20 | 8 |
| 6 | 7 | 72 | 72 -(6*7) =30 | 10 |
|
7 |
8 | now (30+12)+(7*8) = 98 | 30+12 | 12 |
| Method 2 | ||||
|
2
|
3 | 8 | (2*3)+(2*1) =8 | 1 |
| 3 | 7 | 27 | (3*7)+(3*2)=27 | 2 |
| 4 | 5 | 32 | (4*5)+(4*3)=32 | 3 |
| 5 | 8 | 60 | (5*8)+(5*4)=60 | 4 |
| 6 | 7 | 72 | (6*7)+(6*5)=72 | 5 |
|
7 |
8 | 98 | (7*8)+(7*6)=98 | 6 |
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