Video explanation to a problem solving question that appeared in Wizako’s Free Online GMAT Quant Topic Test in Number Properties.
Question
How many different positive integers exist between 10^6 and 10^7, the sum of whose digits is equal to 2?
A. 6
B. 7
C. 5
D. 8
E. 18
Two approaches to solve this question. Both covered as part of the video. Video presented by K S Baskar.
You can take the Free Online GMAT Quant Topic Test and benchmark your preparedness by signing up as a trial user @ http://gmat.wizako.com
Get additional practice questions in GMAT Number Properties @ https://practice-questions.wizako.com/gmat/quant/number-properties-number-theory/
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