an odd whole number between 600 and 800 is divisible by 7 and by 9 . what is the sum of its digits?
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a number to be divisible both by 7 and 9 then it should be a multiple of 7×9=63
.....
now we need to find a odd number between 600 and 800
so 63×10=630(but it's even)
63 ×11=693(its odd)
so ANSWER is 6+9+3=18
.....
now we need to find a odd number between 600 and 800
so 63×10=630(but it's even)
63 ×11=693(its odd)
so ANSWER is 6+9+3=18
naughtygirl9113179:
good
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