Question

11. How many terms are there in the AP 6, 10, 14, 18, ........ 178?
12. How many two digit numbers between 6 and 102 are divisible by 6?​

Answer 1

Answer:

ANSWER

Given: AP is 6,10,14,18,......,174

Here, first term =a=6

Common difference =d=10−6=4

To find: the number of terms(n)

Last term=a+(n−1)d

174=6+(n−1)4

174−6=(n−1)4

n−1=168/4=42

n=42+1=43

There are 43 terms.

Step-by-step explanation:

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