group-icon
Tough Puzzles & Brain Teasers
Puzzles on logic and mathematics that will make you scratch your head.
76 Members
Join this group to post and comment.
28 Jan 2019

1 + 4 = 5, 2 + 5 = 12, 3 + 6 = 21 .... Solve this!

Here's an easy one for those who can quickly recognize the pattern -

1 + 4 = 5

2 + 5 = 12

3 + 6 = 21

5 + 8 = ?

PS: Please post your answer, but do not spoil the fun for others. 😬 

1mo ago

I shall have to

Fortify

myself to answer.


Vijay Khatri
Vijay Khatri
Computer Science
1mo ago

1 + 4 = 5, 2 + 5 = 12, 3 + 6 = 21 .... Solve this!

Here's an easy one for those who can quickly recognize the pattern -

1 + 4 = 5

2 + 5 = 12

3 + 6 = 21

5 + 8 = ?

Answer:

Very Simple the process going on 

1+4=5

1*4+1=5

2 + 5 = 12

2*5+2=12

3 + 6 = 21

3*6+3=21

5 + 8 = ?

5*8+5=45

So 45 is the correct answer

1mo ago

1+4=5

(5)+2+5=12

(12)+3+6=21

(21)+5+8=34

Kunal Gokhe
Kunal Gokhe
Mechanical
1mo ago

5+8x5=45