International Maths Olympiad Forum By SOF Olympiad Trainer - Page 419

User Forum

Subject :IMO    Class : Class 1

Post Your Answer

Subject :IMO    Class : Class 7

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8
It is given that, AB BC = 10 cm ...(i) BC CA = 12 cm ...(ii) CA AB = 16 cm ...(iii) Adding (i), (ii) and (iii); we get, 2(AB BC CA) = 10 12 16 ⇒ AB BC CA = 19 cm.

Ans 2:

Class : Class 7
thanks

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6

Post Your Answer

Subject :IMO    Class : Class 5

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
Second A from the right end.

Ans 2:

Class : Class 8
I think a is the answer !!!!!!!!!

Ans 3:

Class : Class 8
I think a is the ans !!!!!!!!!

Post Your Answer

Subject :IMO    Class : Class 7

A rectangular field is 112 m long and 100 m wide. Two roads, each 3 m wide are to be constructed at the centre of this field; one is parallel to the length of the field and the other is parallel to the breadth of the field.
Find :
(i) Area of the part of the field, not covered by the roads.
(ii) Cost of constructing the road at ₹ 17 per m2.

(i) (ii)
A 3248 m2 ₹ 2890
B 10573 m2 ₹ 10659
C 16582 m2 ₹ 20480
D 10573 m2 ₹ 1250


Post Your Answer

Subject :IMO    Class : Class 1

Post Your Answer

Subject :IMO    Class : Class 3

Ans 1:

Class : Class 10
C

Ans 2:

Class : Class 10
C

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

Ans 3:

Class : Class 9
All are incorrect

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8
All seem incorrect to me

Ans 6:

Class : Class 7
only c is correct

Ans 7:

Class : Class 8
Figure A Does not have Infinite order of rotational symmetry. Figure B has Two Lines of Symmetry. Figure C has 1 line of symmetry. Figure D has Infinite lines of symmetry. Hence the answer is B

Ans 8:

Class : Class 8

Post Your Answer