User Forum

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 9
Ans is surely D as rectangle

Ans 2:

Class : Class 6
Answer is d

Ans 3:

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

Ans 4:

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 5:

Class : Class 5
answer is d not b. you can make a rectangle and a line and a triangle with 12 dots

Ans 6:

Class : Class 8
Check the solution

Ans 7:

Class : Class 6
the answer is D.

Ans 8:

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

Ans 9:

Class : Class 3
Ans=B

Ans 10:

Class : Class 7
Answer is d.

Ans 11:

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

Ans 12:

Class : Class 8
The ans is surely B

Ans 13:

Class : Class 7

Ans 14:

Class : Class 6
Ans. should be D

Ans 15:

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

Ans 16:

Class : Class 9
It should be both D and B

Ans 17:

Class : Class 3

Ans 18:

Class : Class 6

Ans 19:

Class : Class 6
Answer is d

Ans 20:

Class : Class 8
D

Ans 21:

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

Ans 22:

Class : Class 10

Ans 23:

Class : Class 7
B

Ans 24:

Class : Class 8
Answer can be B and D both

Ans 25:

Class : Class 10
ANS = D

Ans 26:

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 27:

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

Post Your Answer