Subject :IMO Class : Class 5
Amit chose a secret number. When he rounds off the number to the nearest thousand, he gets
18000. When he rounds off the number to the nearest hundred, he gets 17800. When he rounds off to the nearest ten, he gets 17770. What is the possible number he might have chosen?
A17876
B17766
C17846
D17750
Ans 1:
Class : Class 6
(B) 17766
When 17766 is rounded to the nearest tens, it is 17770
When 17766 is rounded to the nearest hundreds, it is 178000
When 17766 is rounded to the nearest thousands, it is 18000
Therefore, 17766 agrees with all the rules and is the right answer.
Ans 2:
Class : Class 4
Answer is B) 17766
Ans 3: (Master Answer)
Class : Class 1
The correct answer is B - 17766
Rounding off rounds off 17766 to the nearest thousand, you will get 18000.
Rounding off 17766 to the nearest hundred, you will get 17800.
And rounding off to the nearest ten, you will get 17770.
Ans 4:
Class : Class 6
(B) 17766
When 17766 is rounded to the nearest tens, it is 17770
When 17766 is rounded to the nearest hundreds, it is 178000
When 17766 is rounded to the nearest thousands, it is 18000
Therefore, 17766 agrees with all the rules and is the right answer.
Ans 5:
Class : Class 5
B
Ans 6:
Class : Class 8
B