International Maths Olympiad Forum By SOF Olympiad Trainer

Nikhil Praveen George Francis from Vibgyor, Bengaluru

Subject :IMO Class : Class 3

Direction (20-21) : Mohan made this picture graph to show the number of birds he counted on a field trip.

What was the total number of Robin birds that Mohan counted?

A 4
B 8
C 12
D 16

answer for fun

Ans 1:

Nikhil Praveen George Francis from Vibgyor, Bengaluru

Class : Class 6

c

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Divya from Delhi Public School, Bangalore

Subject :IMO Class : Class 3

Neetu left Town A for Town B at 10.35 a.m. She arrived in Town B at 3.50 p.m. How long was her journey?

A4 hours 35 minutes
B5 hours 35 minutes
C4 hours 15 minutes
D5 hours 15 minutes

can you explain how the answer is D?

Ans 1:

Aditi Shiv Shankar Jaiswal from Delhi Public School Jeddah, Jeddah

Class : Class 4

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Deepti prakash from MOUNT Literally Valley School , Patna

Subject :IMO Class : Class 4

The quotient of 2304 and 4 is less than the product of 6 and *. Find the smallest possible whole number in place of *.

(A) 96

(B) 88

(C) 106

(D) 42
Please provide the answer.

Ans 1:

GOPAL PRASAD from ,

Class : Class 4

divide 2304 by 4. the quotient so obtained is 576. Now, divide 576 by 6... we get the quotient as 96. So, any no. greater than 96 is the answer... in this case it is 106.

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SMRUTI RANJAN RAY from DELHI PUBLIC SCHOOL DAMANJODI, DAMANJODI

Subject :IMO Class : Class 6

i scored 58 of 60 but my name is not there in the weekly leaderboard . why?

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Videep Ekbote from The Mothers International School, New Delhi

Subject :IMO Class : Class 6

Observe the following patterns. Then find the sum of 1 + 3 + 5 + 7 + 9 + ... + 19.

1 = 1 × 1 = 1

1 + 3 = 2 × 2 = 4

1 + 3 + 5 = 3 × 3 = 9

1 + 3 + 5 + 7 = 4 × 4 = 16

1 + 3 + 5 + 7 + 9 = 5 × 5 = 25

................................................

(A) 121

(B) 81

(C) 100

(D) 64

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is C.

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Anurag Kapoor from Mayoor school, Noida

Subject :IMO Class : Class 3

The table below shows the prices of different numbers of oranges at a fruit stand.

Orange prices

Number of oranges	Price in Rs
1	7
3	21
5	35
7	49
9	?

If the pattern in the table continues, what will be the price of 9 oranges ?

(A) Rs 50

(B) Rs 63

(C) Rs 70

(D) Rs 56

Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

The correct answer is B.

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debamon@gmail.com from Sherwood High, Bengaluru

Subject :IMO Class : Class 3

Look at the given number bond Y is 1 less than X.Then X + Y = _________.

A6
B7
C8
D9

Ans 1:

snehal tendulkar from ,

Class : Class 3

OPTION: B 7 3x4 =12 . 24 IS DIVISIBLE BY 12 SO X=4 Y= X-1 = 4-1=3 2X3=6. 24 IS DIVISIBLE BY 6 SO X+Y = 4+3=7

Ans 2:

Padman Patel from kV raigarh, Raigarh

Class : Class 3

7

Ans 3:

Aditi Shiv Shankar Jaiswal from Delhi Public School Jeddah, Jeddah

Class : Class 4

Ans 4:

Samyuktha from PSBB, Chennai

Class : Class 6

Answer is B 2* 3 = 24 2 * Y = 24 So Y= 3 Y= X- 1 So x-1 = 3 X = 4 X + Y = 7

Ans 5:

keval phade from smo, pan

Class : Class 3

Ans 6:

shalini mittal from DPS Greater Noida, Greater noida

Class : Class 4

it should be 6

Ans 7:

Sarang Pande from Podar International School, Rajkot

Class : Class 4

The correct answer provided for given problem is 6 not 7. But how they have calculated it is not clear. If you take sum of two consecutive numbers it should be an odd number. So 6 also doent seem to be a correct answer.