Subject :IMO Class : Class 3
Naina has some money stored in her money box.She has the amount as shown below:
Her mother has some rupee notes with her. She wants to exchange these with Naina Which of the amount shown below is 20 less than Naina's amount?
A 
B 
C 
D 
option A and B are in same amount
Ans 1:
Class : Class 5
Both A and B have same value of notes shown - one 20 and another 10.
Ans 2:
Class : Class 5
Answer is A.B has only 20 rupees considered the entire black box
Ans 3:
Class : Class 6
The problem was funny and interesting but it was also challenging
Ans 4:
Class : Class 7
Answer is A . Value is 30 . Total value of Naina is 50. 50-20 = 30
Value of B is 20