International Maths Olympiad Forum By SOF Olympiad Trainer - Page 814

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
24255 students passed the exam

Ans 2:

Class : Class 10
24255

Ans 3:

Class : Class 10
24255

Ans 4:

Class : Class 8
24255

Ans 5:

Class : Class 10
solution= 70% of 34650 students passed= (70 / 100)*34650=24255 students passed in the exam.

Ans 6:

Class : Class 8
Ok to solve the question we have to divide 34,650 from 100 and then answer will be 346 .5 and then we have to multiply it with 70 and answer will be 24255.0 . Final answer will be 24255 .

Ans 7:

Class : Class 8

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
Any line segment starting at any point on the circumference of the circle and ending on any other point again on the circumference of the same circle.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
it is a set of constants and variables with an equal to sign

Ans 2:

Class : Class 8
A simple equation is a statement of equality between two expressions containing constants and variables.

Ans 3:

Class : Class 7
An equation is a type of algebraic format which has an 'equals to' sign (=). It contains one or more variables. It also contains constants like 2 in the below given equation. For example: 2m+n=16

Ans 4:

Class : Class 7
Simple equation is equality between LHS and RHS . It has a equal to sign (=) and a variable.For example 2x=8

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8
65%

Ans 2:

Class : Class 9
65%decrease

Ans 3:

Class : Class 6
65%

Ans 4:

Class : Class 9
65%

Ans 5:

Class : Class 7
65%

Ans 6:

Class : Class 6
65%

Ans 7:

Class : Class 7
65% decrease in price

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
A line which has two end points with a definite lenth.

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
12 hours or 720 minutes

Ans 2:

Class : Class 9
720 minutes

Ans 3:

Class : Class 6
720 minutes

Ans 4:

Class : Class 7
You can finish them in 720 minutes

Ans 5:

Class : Class 8
720 minutes

Ans 6:

Class : Class 7
720 minutes

Ans 7:

Class : Class 8
480 minor 8 hrs first you take 1 pill at 0 hrs second pill at 4 hrs and third pill at 8 hrs

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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 2
the biggest number is infinite.

Ans 2:

Class : Class 5
triangulus number and infinite is not a number

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
4

Ans 2:

Class : Class 5
A square has 4 lines of symmetry

Ans 3:

Class : Class 6
4

Ans 4:

Class : Class 9
The answer is 4 lines of symmetry

Ans 5:

Class : Class 9
4. Four lines

Ans 6:

Class : Class 8
4

Ans 7:

Class : Class 8
4. Four lines

Ans 8:

Class : Class 7
a square have 4 lines of symmetry

Ans 9:

Class : Class 7
4

Ans 10:

Class : Class 6
4 lines

Ans 11:

Class : Class 8
4. Four lines

Ans 12:

Class : Class 5
The answer is 4.Four lines because first + then x = 4 lines

Ans 13:

Class : Class 5
4

Ans 14:

Class : Class 7
A square has 4 lines of symmetry

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
4. .36 km/h

Ans 2:

Class : Class 6
4. .36 km/h

Ans 3:

Class : Class 6
.36 km/h

Ans 4:

Class : Class 8
1. 3.6 km/h

Ans 5:

Class : Class 9
4. .36 km/h

Ans 6:

Class : Class 8
4. .36 km/h

Ans 7:

Class : Class 7
1.c3.6 km/hr

Ans 8:

Class : Class 6
1.3.6

Ans 9:

Class : Class 7
1. 3.6 km/h

Ans 10:

Class : Class 7
The slowest speed among the options is 4. .36km/h . Let us see why...First lets convert all the options to decimal form:-Option 1 is 3.6 km/h, option 2 is 36.0 km/h, option 3 is 360.0 km/h and option 4 is 0.36 km\h. The descending order for these numbers is 360.0 km/h, 36.0 km/h, 3.6 km/h and finally 0.36 km/h. Hence, we can conclude that that .36 km/h is the slowest speed.

Ans 11:

Class : Class 6
.36 km/h

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