Question

The sum of successive odd numbers 1,3,5,7,9,11,13 and 15 is​

Answer 1

Answer:

64 and the successive of 15 is 17 (just in case)

Answer 2

Given :-

• First term = 1

• Last term = 15

• Number of terms = 8

To Find :-

• Sum of given successive odd numbers

Solution :-

$\longrightarrow \: \underline{ \boxed{\sf \orange{ S_n = \frac{n}{2} \big(a + l \big) }}} \\ \\\longrightarrow \: \sf S_n = \frac{8}{2}(1 + 15) \\ \\\longrightarrow \: \sf S_n =4 \times 16 \\ \\\longrightarrow \: \underline{ \boxed{\sf \red{ S_n =64}}}$