# User Forum

Subject :IMO    Class : Class 6

## Ans 1:

Class : Class 6
option a

Subject :IMO    Class : Class 4

Class : Class 1

Subject :IMO    Class : Class 6

## Ans 1:

Class : Class 7
(d) 1. Obviously 1 is the answer because if we take an example of two consecutive odd numbers, say 3 & 5, or 5 & 7, we get HCF as 1. hence this answer.

Subject :IMO    Class : Class 4

Class : Class 1

Subject :IMO    Class : Class 5

## Ans 1:

Class : Class 5
97520 very simple

Subject :IMO    Class : Class 4

Subject :IMO    Class : Class 4

## Ans 1:

Class : Class 5
In my humble opinion, the answer should be = 234 (234 hundreds)although, it does not matches the solutions provided.Reason: Smallest 5 digits even number using all digits 0, 2, 4, 3, 9 = 20394** Second Smallest 5 digits even number using all digits 0, 2, 4, 3, 9= 23490

Class : Class 4
D

## Ans 3:

Class : Class 4
The First 5 digit smallest even number is 20394 and the second 5 digit smallest even number is 23490, so the correct answer should be 23400 or 234 hundreds, which is not in the 4 options, please suggest

## Ans 4:

Class : Class 6
The smallest 5 digit no. is 20394 The second smallest five digit no. Is 23094 so the answer is 230 hundreds which is not in the given options.

## Ans 5:

Class : Class 5
In my humble opinion, the answer should be 234although, it does not matches the solutions provided.Reason: Smallest 5 digits even number using all digits 0, 2, 4, 3, 9 = 20394** Second Smallest 5 digits even number using all digits 0, 2, 4, 3, 923490

## Ans 6:

Class : Class 6
i am not agreed with given solution...ans must be 203

Class : Class 5

Class : Class 4

## Ans 9:

Class : Class 4

Subject :IMO    Class : Class 5

## Ans 1:

Class : Class 7
What did you write the ANSWER as? The symbols are as follows: 1=I, 5=V, 10=X, 50=L,100=C, 500=D, 1000=M So, If you repeat I(1) it becomes 2 or 3 and there is no replacement for that. So it can be repeated. If you repeat V(5) it could become 10 or any number in 5's table, and there are Roman Numerals to replace that. For example, VVVVVVV can be replaced by XXXV. Hence, V cannot be repeated. Then, if you repeat X(10) it can become 20 or 30 and there is no replacement for that. So it can be repeated. Therefore, the answer is B) V. Thank You

Subject :IMO    Class : Class 4

Class : Class 4
how

Class : Class 5