Math, asked by sona4938, 1 year ago

how many four digits are there in all

Answers

Answered by Anonymous
0
tn=a+(n-1)d
9999=1000+(n-1)1
N=9000

abhishekhero72: wrong
Anonymous: it's right
abhishekhero72: yaa sorry for thar
abhishekhero72: that
Anonymous: ok
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