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Harsh Kumar from Maharishi Vidya Mandir, Guwahati
Subject :IMO    Class : Class 5

Find the missing number, if a certain rule is followed row-wise or column wise.


A100
B140
C136
D125


Ans 1:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6
HOW?

Ans 2:

Nila Pillai from Chennai public School, Chennai
Class : Class 6

Ans 3:

Shaurya Shrivastava from Amanora school, Pune
Class : Class 6
sorry for the mistakes in my rules wherever there is a space ther is a plus sign

Ans 4:

Shaurya Shrivastava from Amanora school, Pune
Class : Class 6
There are two more rules which i tried to follow, (A) 3 7 = 10 - 4 = 6, 4 8 = 12 - 4 = 8 but that doesn't work for the middle one(B) 3 x 4 = 12 x 2 = 24 1 = 25, 7 x 8 = 56 x 2 = 112 1 = 113 but that doesnt work for the last one

Ans 5:

Ashwak from Cambridge, Jalandhar
Class : Class 8

Ans 6:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A. The rule followed is:(3 X 3)+(4 X 4)=9+16=25 and (7 X 7)+(8 X 8)=49+64=113. In the same way, (6 X 6)+(8 X 8)=36+64=100.

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