kindly post puzzles that require mostly common sense and not formulas
Interesting Math Puzzles for you ⚡️

answer is 28
proof
9=10.........
then 8=18 .....means 9-1 = 10 +8
7=24.......................8-1=18+6
6=28...........7-1=24+4
5=30................6-1= 28+2
4=30.........5-1=30-0
3=28.........3-1= 30 -2
can i ask a question?
yes bro u can

answer is 28
proof
9=10.........
then 8=18 .....means 9-1 = 10 +8
7=24.......................8-1=18+6
6=28...........7-1=24+4
5=30................6-1= 28+2
4=30.........5-1=30-0
3=28.........3-1= 30 -2
can i ask a question?
yes bro u can
can you please explain your calculation again please like more elaborated

math is fun
till one gets to permutation and combination T-T
Lol Im doing trig for fun.

math is fun
till one gets to permutation and combination T-T
Lol Im doing trig for fun.
=0

another question
the 4th term of an ap is 3 times the first and the 7th term exceeds twice the third term by 1 find the first term and common difference
correct

#2
This isn't really math, more logic. Less strategy and more thinking.
Are we assuming each number is a variable?
another question
the 4th term of an ap is 3 times the first and the 7th term exceeds twice the third term by 1 find the first term and common difference