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Subject :IMO    Class : Class 6

By using dot (ยท) patterns, which of the following numbers can be arranged in all the three ways namely a line, a triangle and a rectangle?

A 9
B 10
C 11
D 12


Clarify the question

Ans 1:

Class : Class 6
Answer is d

Ans 2:

Class : Class 6
Ans. should be D

Ans 3:

Class : Class 7
B

Ans 4:

Class : Class 8
D

Ans 5:

Class : Class 6

Ans 6:

Class : Class 10

Ans 7:

Class : Class 9
It should be both D and B

Ans 8:

Class : Class 8
Answer is D. We can form a triangle and rectangle with 12 dots.

Ans 9:

Class : Class 7
Answer is definitely d. How can you make an square with 10

Ans 10:

Class : Class 8
Check the solution

Ans 11:

Class : Class 8
In pascal's triangle, the 1st row is always 1, second row is natural number, 3rd is of numbers which can form triangles, 4th is of numbers which can form rectangles. So the number common in rows 2, 3

Ans 12:

Class : Class 6
Answer is d

Ans 13:

Class : Class 8
answer is D only but it is showing B

Ans 14:

Class : Class 3
Ans=B

Ans 15:

Class : Class 10
ANS = D

Ans 16:

Class : Class 8
D, is the answer but it is showing wrong so you could choose B.

Ans 17:

Class : Class 7
Answer is d.

Ans 18:

Class : Class 9
Ans is surely D as rectangle

Ans 19:

Class : Class 6
the answer is D.

Ans 20:

Class : Class 9
Answer is definitely D because 12 is divisible by both 4 and 3 so rectangle and triangle both can be made ............ line can be made from all numbers

Ans 21:

Class : Class 7

Ans 22:

Class : Class 6
answer is d not b. you can make a rectangle and a line and a triangle with 12 dots

Ans 23:

Class : Class 8
The ans is surely B

Ans 24:

Class : Class 6
There is no mention of what type pattern, we can make line, triangle and rectangle with 12 dots also

Ans 25:

Class : Class 3

Ans 26:

Class : Class 8
Answer can be B and D both

Ans 27:

Class : Class 6
Ans is D and B also....

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