Question

the number of odd terms between 60 and 360 is ?

Answer 1

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Answer 2

Odd numbers between 60 and 360 is 150.

Step-by-step explanation:

• Odd numbers between 60 and 360 are 61,63,65,......359.
• Thus, it is an Arthimetic Progression in which a=61, d=2 and an =359
• Then, an = a+(n-1)d ⇒ 359 =61 (n-1)× 2
• ⇒298 = (n-1)× 2 ⇒ 149 = n-1 ⇒ n=150.
• (or) By using this formula of n,   n= [(last term - 1st term)/d]+1
• ⇒n= (359- 61)/2 +1 =(298/2) +1 = 149+1 =150.