Question

find the sum of all odd numbers upto 30​

Answer 1

Answer:

1+3+5........29

$n = \frac{l - a}{d} + 1$

$\frac{29 - 1}{2} + 1$

$n = 15$

$sum \: of \: odd \: numbers \: upto \: 30 = \frac{n(n - 1)}{2}$

$\frac{15(15 + 1)}{2}$

$= 120$

Step-by-step explanation:

wish you a cushy life

path strewn with roses buddy ❤

Answer 2

Answer:

120 is the answer

Step-by-step explanation:

Stay safe n blessed ❤