(iii) Find the sum of all two digit numbers which when divided by 7 yield 1 as the
remainder.
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Answers
Answered by
1
Answer:
The sum of all those numbers would be 741
Answered by
1
Answer:
741
Step-by-step explanation:
to get 1 as remainder the starting is 15 and ending 2 Digit number is 99
if we do
an= a+(n-1)d
we get n =13
so sum of 13 numbers in AP is
sn = (n/2)(a+l)
where a is first number 15
l is last number 99
n=13
if we solve we will get answer 741
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