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Subject :IMO    Class : Class 3

The weight of a chocolate is 7 grams. What is the minimum number of chocolates needed to tip the scale below to the right?


A3
B5
C9
D6


why

Ans 1:

Class : Class 3
(D):To tip the scale below to the right,the weight ofchocolates should be greater than 37kg.Weight of 5 chocolates =5 x 7=35kgWeight of 6 chocolates=6x7=42kgSo,minimum number of chocolates needed = 6

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
This question is wrong as 7x9 is 63 and that is also bigger than 37.

Ans 5:

Class : Class 3
its 7

Ans 6: (Master Answer)

Class : Class 1

(D): To tip the scale below to the right, the weight of chocolates should be greater than 37kg.
Weight of 5 chocolates = 5 x 7 = 35kg
Weight of 6 chocolates = 6 x 7 = 42kg
 As, 42kg > 37kg
So, minimum number of chocolates needed = 6


Ans 7:

Class : Class 5
Seee

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