International Maths Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

(A): Weight of moon = (7.346 ×1022) kg
Weight of Earth = (5.9724 × 1024) kg
Total weight = 7.346 × 1022 + 5.9724 × 1024
= 0.07346 × 1024 + 5.9724 × 1024
= (0.07346 + 5.9724) × 1024
= 6.04586 × 1024 kg


Post Your Answer

Subject :IMO    Class : Class 7

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
STEP 3 AS THEY ADDED 3 TO 72/7 WITHOUT MAKING THE DENOMINATORS EQUAL WHICH IS NECESSARY IN FRACTION ADDITIONS

Ans 2:

Class : Class 7
STEP-3 IS WRONG HERE 3 IS ADDED TO 72 THEN UPON 7 IS DONE WHICH IS WRONG WE HAVE TO TAKE LCM CORRECTLY BY MAKING DENOMINATORS EQUAL.

Post Your Answer

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
b

Ans 2:

Class : Class 4
Answer is B

Post Your Answer

Subject :IMO    Class : Class 6

Post Your Answer

Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

The correct answer is option A. 


Post Your Answer

Subject :IMO    Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
A is Answer

Ans 2:

Class : Class 6
A is Answer

Post Your Answer

Subject :IMO    Class : Class 5

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
the answer is 3/4 because there are 4 possibilities - heads

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8

Ans 4:

Class : Class 8
The answer should be B since getting at least one tail has a probability of 2/4 and simplifying it we will get 1/2

Ans 5:

Class : Class 7
Answer should be 1/2.

Ans 6:

Class : Class 7
YES,ANSWER IS 1/2

Ans 7:

Class : Class 8

Ans 8:

Class : Class 7
Answer should be 1/2

Ans 9:

Class : Class 8
answer is 1/2

Post Your Answer