Tear off one and scratch its head, what was red is now black instead. What is It?
Answer: A Matchstick!
Solution:
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Matt is the fiftieth fastest and the fiftieth slowest runner in his school. Assuming no two runners are the same speed, how many runners are in Matt’s school?
Answer: There are 99 runners in Matt’s school.
Solution:
if 2+9=711 then find 12+3=??? number Puzzle with answer
Answer: 915
Solution:
if you look at the question we have equations as
2+9=711
14+6=820;
17+11=628
then 12+3=??
from Equation 1
2+9=711
2+9=(2-9)(2+9)
= 711
here we used a formula called a+b=(a-b)(a+b)
similarly for remaining equations
Equation:2
14+6=(14-6)(14+6)=820
Equation:3
17+11=(17-11)(17+11)=628
now we have 12+3=??
12+3=(12-3)(12+3)=915
12+3=915 is the correct answer
if you look at the question we have equations as
2+9=711
14+6=820;
17+11=628
then 12+3=??
from Equation 1
2+9=711
2+9=(2-9)(2+9)
= 711
here we used a formula called a+b=(a-b)(a+b)
similarly for remaining equations
Equation:2
14+6=(14-6)(14+6)=820
Equation:3
17+11=(17-11)(17+11)=628
now we have 12+3=??
12+3=(12-3)(12+3)=915
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