Answer:
1183
Step-by-step explanation:
Common difference:
d = 31 - 15 = 16
nth term:

Here, 


Answer:
wrong as his calculation was incorrect at initial level itself when he found the result of the division
Step-by-step explanation:
Andre said
3 ÷ 



but andre calculated it as



Hence his calculation was incorrect at initial level itself
Answer:
i think c. sorry if its wrong
Step-by-step explanation: