suresh kumar's answer to Potato's Primary 1 Maths Singapore question.

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suresh kumar
Suresh Kumar's answer
1 answers (Tutor Details)
1st
I cant see the second box, I think it is 7 above10

If so, the ? in last box is 5
The logic is that the top number minus the number below (e.g 6-5=1). Likewise 7 minus 4 =3. So 8 minus 5 is equal to 5
Eric Nicholas K
Eric Nicholas K
4 years ago
This question has already become famous in Singapore as of now.

5 and 15 are commonly quoted answers with two different but entirely logical ideas.