International Maths Olympiad Forum By SOF Olympiad Trainer

# User Forum

Subject :IMO    Class : Class 7

## Ans 1: (Master Answer)

Class : Class 1
We have to find out the numbers which can factorize 75 They are 1,3,5,15,25,75.

Subject :IMO    Class : Class 7

## Ans 1:

Class : Class 9
(m) as you can see their num. value of each alphabet.....a=1. c=3, e=5, i=9, m=14, n=15, o=16, p=17, r=19, s= 21 Thus m is the 5th one

Subject :IMO    Class : Class 5

## Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

Subject :IMO    Class : Class 7

## Ans 1:

Class : Class 7
In other options, HCF is 3

Subject :IMO    Class : Class 4

## Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

Subject :IMO    Class : Class 7

## Ans 1:

Class : Class 7
Let number be Z. Then 9Z/5=45 so Z=45 X 5 / 9 Z= 25 Now 25 X 1/5 =5 So ans is A

Subject :IMO    Class : Class 4

## Ans 1:

Class : Class 4
yes that is correct

## Ans 2:

Class : Class 1
multiples of 6 and 8 less than 100 are 24, 48,72 factor of 120 is 24 among above 3 difference between its digits= 4-2=2 answer is (a)

Subject :IMO    Class : Class 6

## Ans 1:

Class : Class 6
but you have to add another 10 minutes as the oven was preheated for 10 minutes in which the cake was not in the oven.

Class : Class 8
yes

## Ans 3:

Class : Class 6
As the other options are p.m., 5:00 is also p.m. As the cake was left out for 20 min, 5:00 - 0:20 = 4:40 p.m. The cake was roasting for 4 hours 15 mins, 4:40 - 4:15 = 0:25. 0:25 p.m. is 12:25 p.m.

## Ans 4:

Class : Class 5
so, what"s the correct answer?

## Ans 5:

Class : Class 6
but you have to add another 10 minutes as the oven was preheated for 10 minutes in which the cake was not in the oven.

## Ans 6:

Class : Class 6
But the question says when jyoti put it in the oven so why did you deduct 20 minutes? it was just out of the oven, right?

Subject :IMO    Class : Class 8

## Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

Subject :IMO    Class : Class 9

## Ans 1:

Class : Class 9
D. 2.8 because the difference of any two sides of a triangle is lesser than the third side

Class : Class 9
D