
AIMO FINAL P3
Authored by Tutor Olympichamp
Mathematics
3rd Grade
Used 7+ times

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14 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 5 pts
Answer explanation
3, 4, 5, 6, 7
239, 249, 259, 269, 279
563, 564, 565, 566, 567
2.
FILL IN THE BLANK QUESTION
1 min • 5 pts
When two numbers are added, the unit digit of one of the numbers, which is 3, is mistakenly written as 9. The tens digit of another number, which is 0, is mistakenly written as 6. The result obtained is 1083. What is the correct sum?
Answer explanation
1083 - 60 - 6
60 is the difference in tens
6 is the difference in ones
3.
FILL IN THE BLANK QUESTION
1 min • 5 pts
4.
FILL IN THE BLANK QUESTION
1 min • 5 pts
If Aiden solves 15 problems every day, he will finish all the problems for 24 days. If he solves 5 more problems every day, how many day(s) earlier will he finish all the problems?
Answer explanation
15x24/20 = 18 days
24 - 18 = 6 days earlier
5.
FILL IN THE BLANK QUESTION
1 min • 5 pts
(443 - 185) + (257 + 829) - (315 +529) = ?
Answer explanation
(443 + 257) + (829 - 529) - (315 + 185)
= 700 + 300 - 500 = 500
6.
FILL IN THE BLANK QUESTION
1 min • 5 pts
Aiden and Bella are now 32 and 35 years old. The ages of their four sons are now 12, 10, 7 and 4 years old respectively. How many years later will the sum of the ages of the four sons be equal to the sum of the ages of Aiden and Bella?
Answer explanation
now:
Sum of sons' ages = 12+10+7+4 = 33 (each year goes up 4)
Sum of ages Aiden and Bella = 32+35 = 67 (each year goes up 2)
n years later:
67 + 2n = 33 + 4n
2n = 67 - 33
2n = 34
n = 17
7.
FILL IN THE BLANK QUESTION
1 min • 5 pts
25 squares with the perimeter of 24 cm, form a larger square. How many cm is the perimeter of the larger square?
Answer explanation
The small square's side = 24/4 = 6
The larger square = 5 x 5 of the smaller squares ==> the side: 5 x 6 = 30 cm
Perimeter of the larger square = 30 x 4 = 120 cm
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