Question

5+4+3+2+1+5+6+7+8+9=................

Answer 1

5 + 4 + 3 + 2 + 1 + 5 + 6 + 7 + 8 + 9

= (5 + 5) + (4 + 6) + (3 + 7) + (2 + 8) + (1 + 9)

=  10       +   10     +    10    +     10   +     10

=      10 x 5 = 50

Answer 2

5+4+3+2+1+5+6+7+8+9

= ( 5 + 5 ) + ( 4 + 6 ) + ( 3 + 7 ) + ( 2 + 8 ) + ( 1 + 9 )

= 10 + 10 + 10 + 10 + 10

= 10 x 5

= 50

Answer 3

= (5+5) + (4+6)+(3+7)+(2+8)+(9 +1)

=10 + 10 + 10 + 10 + 10

=50

Answer 4

5+4+3+2+1+5+6+7+8+9=50

Answer 5

\(5+4+3+2+1+5+6+7+8+9\)

\(=\left(5+5\right)+\left(4+6\right)+\left(3+7\right)+\left(2+8\right)+\left(1+9\right)\)

\(=10+10+10+10+10\)

\(=10\times5=50\)