
IMO 1. Number Sense
Authored by Prehaan Doshi
Mathematics
4th Grade

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30 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
100 tens = ________.
10 lakh
100 thousand
10 thousand
1 thousand
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Using digits 9, 0, 5, 2, 4 each only once, smallest five digit number formed is ________.
20459
40259
2459
50294
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Using digits 9, 0, 5, 2, 4 each only once, largest five digit number having 0 at ten's place formed is _________.
95402
95420
90524
90542
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The number shown on the abacus is
520275
502275
520257
52275
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The greatest 4-digit number with all digits different and 5 at hundreds place is
9599
9876
9587
9857
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Expanded form of 84926 is _______.
8000 + 400 + 900 + 20 + 6
80000 + 4000 + 900 + 20 + 6
8000 + 900 + 20 + 6
8000 + 400 + 90 + 200 + 6
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Compare and fill the given box.
<
>
=
Can't be determined
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