International Maths Olympiad Forum By SOF Olympiad Trainer - Page 522

# User Forum

Subject :IMO    Class : Class 4

## Ans 1: (Master Answer)

Class : Class 1

Please mention your query

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Subject :IMO    Class : Class 8

## Ans 1:

Class : Class 10
0 is both a number and the numerical digit used to represent that number in numerals. The number 0 fulfills a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures. As a digit, 0 is used as a placeholder in place value systems.

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Subject :IMO    Class : Class 8

## Ans 1:

Class : Class 10
0 is both a number and the numerical digit used to represent that number in numerals. The number 0 fulfills a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures. As a digit, 0 is used as a placeholder in place value systems.

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Subject :IMO    Class : Class 8

Class : Class 9

Class : Class 1

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Subject :IMO    Class : Class 3

## Ans 1: (Master Answer)

Class : Class 1

1000 in roman numerals = M

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Subject :IMO    Class : Class 4

## Ans 1: (Master Answer)

Class : Class 1

The correct answer is C

Number of detective books he read
= 4 × 5 = 20.

Class : Class 9
20

Class : Class 5
Ans. C (20)

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Subject :IMO    Class : Class 5

## Ans 1: (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 2:

Class : Class 4
Answer is B) 17766

Class : Class 5
B

## 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 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.

Class : Class 8
B

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Subject :IMO    Class : Class 9

## Ans 1: (Master Answer)

Class : Class 1

The correct answer is D.

Class : Class 10
D

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Subject :IMO    Class : Class 4

Class : Class 7

Class : Class 7

## Ans 3:

Class : Class 3
The correct answer is D

Class : Class 5

Class : Class 7

Class : Class 2

## Ans 7: (Master Answer)

Class : Class 1

The correct answer is D

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Subject :IMO    Class : Class 5

## Ans 1:

Class : Class 5
Correct answer is d-17

Class : Class 6

## Ans 3:

Class : Class 7
they are counting 5 , 6 two times so that means that the answer is b 13

Class : Class 9

Class : Class 5
B is correct

Class : Class 6

## Ans 7:

Class : Class 5
The answer is A - 11

## Ans 8:

Class : Class 7
hey sorry that my first answer was wrong .....the correct answer is [c] 15 as they are counting the 13 , 14 as each half of the whole triangle

## Ans 9:

Class : Class 9
yes 13(b) is the correct answer. You have counted triangle 5 and 6 twice. What a hell it is.

Class : Class 8

## Ans 11:

Class : Class 5
Look Closely!!! its 15, include other triangles!!!!!

## Ans 12:

Class : Class 8
But I agree that the answer is B

Class : Class 8

## Ans 14:

Class : Class 8
teree to pit jaega

## Ans 15:

Class : Class 7
Watch out the solution . Then ya all will understand everything!!!!!!!Sab samajh jaaoge !!!!!!!!!

## Ans 16:

Class : Class 1
(B)13 is the correct answer

## Ans 17:

Class : Class 6
Answer is 15 not 13 Look closely!!!!

## Ans 18:

Class : Class 8
I still donÃ¢Â€Â™t understand how the answer is C. I got the answer as 14

Class : Class 9
answer is 15 c

## Ans 20:

Class : Class 8
Hey! 13 and 14 are not triangles!!!