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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8
Let the initial numbers be x, then 5:3 becomes 5x/3x. then, 5x-10 divided by 3x-10 equals 5x divided by 7x. so the equation becomes: 7 (5x-10) = 5(3x-10). solve it and you get x=1 Therefore the sum of 5:3 is 8.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 3
3/20*x -15 = x/5 solve by taking 1cm ans 300

Ans 2:

Class : Class 5
3/20*x -15 = x/5 solve by taking lcm ans 300

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7
ans is wrong

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 1
a

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8
Answer is D obviously

Ans 2:

Class : Class 8
none of the answer is correct

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

(B): 42250 - 31125 = 11,125
Rounding off to the nearest thousand = 11000
 


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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 5

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