If 1 + 2 = 13
2 + 3 = 61
3 + 4 = 193
Then 4 +5 = ?
Check your answer:-
A+B = (A*B + 2)^2 – 3
Answered by: in disqus comments.
Number Puzzle #167
What’s the missing number?
Can you find the missing number in the below triangle from the 4 options given in the image ?
Check your answer:-
Answer With ExplanationExplanation: Its actually simple logic, generally we think to find out the relation between the opposite sides, but here the relation is in between adjacent numbers, which is very unusual though.
9 * 2 = 18 -1 = 17
160 *2 = 320 -1 = 319
475 * 2 = 950 – 1 = 949
4, 72, 652, ?
Solve this number puzzle and find out the possible value for a,b,c and d.
Number Puzzle #163
What next
2 , 2.5 , 3.33 , 4.25 , _ , _ ?
Number Puzzle #162
10×11×12=9
11×12×13=9
12×13×14=9
13×14×15=9
14×16×20=?
Check your answer:-
Click here to See SolutionTo solve this, replace a n digit number by adding all digits, and solve, keep on repeating it until you get single digit.
10×11×12={(1+0)×(1+1)×(1+2)}^2 =6^2=36=3+6=9
11×12×13={(1+1)×(1+2)×(1+3)}^2 =24^2 =(2+4)^2=36=3+6=9
12×13×14={(1+2)×(1+3)×(1+4)}^2 =60^2 =(6+0)^2 =36 =3+6=9
13×14×15={(1+3)×(1+4)×(1+5)}^2 =120^2 =(1+2+0)^2 =9
14×16×20={(1+4)×(1+6)(2+0)}^2 =70^2 =(7+0)^2 =49 =4+9=13=1+3=4
Number Puzzle #161
If
2-1=3
4-4=0
8-5=40
10-10=???
Check your answer:-
2-1=2×2+(2/2)x(2/2)-2×1=3
8-5=8×8+(8/2)x(8/2)-8×5=40
4-4=4×4+(4/2)x(4/2)-4×4=4
thus
10-10=10×10+(10/2)x(10/2)-10×10=25
Number Puzzle #160
Solve this 5 boxes puzzle, what will be the value of the middle box in 3rd set ?
10 3 4 5 7 2
‘ 29 4 ?
8 4 6 1 3 5
