International Maths Olympiad Forum By SOF Olympiad Trainer - Page 746

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 9
D is the correct answer. At first milk is 40 L and water is 20 L To set new proportion of 1:2, we have to add 60 L of water in milk.

Ans 3:

Class : Class 6
If ‘x’ is the common multiple, then the quantity of milk = 2x and quantity of water = xSo, 2x x = 60 litres3x = 60Or x = 60⁄3 = 20So, quantity of milk = 2x = 40 litres and quantity of water = x = 20 litresLet ‘y’ be the quantity of water to be added. So, quantity of water = (20 y)Then, 40 : (20 y) = 1 : 22 x 40 = 1(20 y)80 = 20 y20 y = 80So, y = 80 - 20 = 60Answer-(D) 60 litres

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
statement d is false not statement a

Ans 2:

Class : Class 7
statement a is true

Ans 3:

Class : Class 6
statement in (d) is false while statement in (A) is true

Ans 4:

Class : Class 7
Pl explain

Ans 5:

Class : Class 9

Ans 6:

Class : Class 10

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 3
what about this question

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5
c is correct

Ans 2:

Class : Class 6
C is the right answer. TV costs 2930 and PS costs 1870 less than 2930 i.e. PS costs 1060 Hence total of 2930 and 1060 is the answer

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 9
Please provide the solution

Ans 2:

Class : Class 8
Plz explain ?????????????

Ans 3:

Class : Class 9
16 is the answer

Ans 4:

Class : Class 6

Ans 5:

Class : Class 8

Ans 6:

Class : Class 5
plz provide the solution for the same.

Ans 7:

Class : Class 3
kindly explain

Ans 8:

Class : Class 8
i guess a is 8 ,b is 4, c is 4

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 10
only 3 a b and t have only one symmetry line

Ans 2:

Class : Class 6
answer is B

Ans 3:

Class : Class 6
C3

Ans 4:

Class : Class 7
X,t,a and b have 1line symmetry. So and should be D4

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 8
Ans:B 51 As 9+11=20, 11+20=31, 20+31=51, 31+51=82

Ans 2:

Class : Class 4
51

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