Question

its answer guys please let's time yo wake up
I am also weak in maths
u can also comments ​

Answer 1

Explanation:

you have to add all the numbers between 1 to 30 twice, for that, there is a formula-

((first digit+last digit)*no.of digits÷2)*2

=((1+30)*30÷2)*2

=(31*30÷2)*2

=(930÷2)*2

=930

and if we use a calculator then also we will get 930

you can check if you want to

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