| Marbles |  |  |  |
| Weight (in g) | 660 | 600 | 540 |
A) 150 g
B) 280 g
C) 180 g
D) 240 g
Correct Answer: C
Solution :
Weight of
+
+ 
= 540 g Weight of 
+ 
+ 
= 600 g \[\Rightarrow \]Weight of 
+ (540 - Weight of 
= 600 \[\Rightarrow \]Weight of 
= 600 - 540 + Weight of 
\[\Rightarrow \]Weight of 60 + Weight of 
Also, Weight of 
= 660 g \[\Rightarrow \]Weight of 
+ (60 + 
) + (60 + 
)) = 660 g \[\Rightarrow \]Weight of 3 
+ 120 = 660 g \[\Rightarrow \]Weight of 3 =(660 - 120) g = 540 g \[\Rightarrow \]Weight of = \[\left( 540\div 3 \right)\]g = 180 g
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