Question

4
The sum of all two digit natural numbers which are
49 divisible by 7 is
1) 743
2) 700
3) 728
4) 735​

Answer 1

1. It is a prime number

2. Divisible by 2

3. Divisible by 4

4. Divisible by 5

Answer 2

Answer:

728

Step-by-step explanation:

there are 13 numbers

Sn=n/2(a1+an)

=13/2(14+98)

=13×56

=728