Question

find the sum of all odd numbers from 1 to 150

Answer 1

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Answer 2

Answer:

$\red { Sum \: of \: all \: odd \: natural \: numbers}$

$\red { from \: 1 \: to \: 150}\green { = 5625 }$

Step-by-step explanation:

$\boxed {\pink {Sum \: of \: first \: n \: odd \: natural \: numbers= n^{2}}}$

$\red { Sum \: of \: all \: odd \: natural \: numbers}$

$\red { from \: 1 \: to \: 150}$

$= 1+3+5+7+\cdot \: \cdot \: \cdot+149 \: (75 \: terms )$

$\green { = 75^{2}}$

$\green { = 5625 }$

Therefore.,

$\red { Sum \: of \: all \: odd \: natural \: numbers}$

$\red { from \: 1 \: to \: 150}\green { = 5625 }$

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