International Maths Olympiad Forum By SOF Olympiad Trainer

Swarit from Indian School Wadi kabir, Muscat

Subject :IMO Class : Class 4

Komal wants to decorate the boundary of a rectangular design with lace. If she uses 48 cm length of lace costing Rs 15 per cm, then which are the possible dimensions of design and total cost of lace?

A l = 16 cm, b = 8 cm and Rs 1920
B l = 8 cm, b = 4 cm and Rs 720
C l = 4 cm, b = 8 cm and Rs 620
D l = 16 cm, b = 8 cm and Rs 720

ANSWER IS D

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Ans 1:

Saksham Chanani from Sri Sri Academy, Kolkata

Class : Class 9

D

Ans 2:

Swarit from Indian School Wadi kabir, Muscat

Class : Class 6

Answer is D Total length of lace = 48 cm = Perimeter of rectangle 48 = 2 ( l b ) l b = 24cm Cost per cm = Rs. 15 Cost of 48 cm = 48 x 15 = Rs.720 When l = 16 cm and b = 8 cm P = 2 ( 8 16 ) = 2 (24) = 48 cm

Ans 3:

Swarit from Indian School Wadi kabir, Muscat

Class : Class 6

ANSWER IS D

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Abhivir Samraj from Vaels International, CHENNAI

Subject :IMO Class : Class 4

If cost of 1 kg grapes is ₹ 80, what is the cost of 250 g grapes?

A ₹ 30
B ₹ 20
C ₹ 40
D ₹ 100

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Ans 1:

Sidharth V from Hindustan International School, Chennai

Class : Class 4

spit

Ans 2:

Devansh from asn senior secondary school, delhi

Class : Class 8

Correct Answer is (B)

Ans 3:

Anywsz from Chrysalis, Bangalore

Class : Class 4

Ans 4:

Shreeya Mangla from ASN Senior Secondary School, New Delhi

Class : Class 9

B is the correct answer as 80*4=20

Ans 5:

Gayatri Iyer from Sanskriti School, Pune

Class : Class 9

Correct ans is B

Ans 6:

Apoorva Gaurav from DAV, Muzaffarpur

Class : Class 5

B is correct

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sonali surana from VIBHGYOR, Mumbai

Subject :IMO Class : Class 4

The book store-keeper orders 25 books of Science for Rs. 110 each and 32 books of Mathematics for Rs. 120 each. How much amount does he have to pay in all?

A Rs. 6590
B Rs. 6570
C Rs. 5690
D Rs. 5670

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Ans 1:

Ryan from Trio World Academy, Bangalore

Class : Class 4

answer is A

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Ayush Chakraborty from New Horizon Scholars School, Thane

Subject :IMO Class : Class 4

It is A

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Bhumika from Navy children school, Mumbai

Subject :IMO Class : Class 4

The given pictograph shows the hobby of some children of class IV. Study it carefully and answer the question that follows.

How many children have craft as a hobby?

A 8
B 12
C 9
D 5

I had given the answer as a and not as D

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Garv porwal from witty international school, Udaipur

Subject :IMO Class : Class 4

A jug contains 1/12 L of water. Kashish poured 5/6 L of water into it and 1/4 L of the water overflowed. What is the capacity of the jug?

A 2/3 L
B 1/3 L
C 1/2 L
D 1/6 L

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Ans 1:

Asmi Raniga from Indian School Ghubra, Muscat

Class : Class 8

Ans 2:

Saumya from Allen house, VASUNDHRA SECTOR 1

Class : Class 4

Ans 3:

Garv porwal from witty international school, Udaipur

Class : Class 4

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Aarnav Sharma from Nps , Singapore

Subject :IMO Class : Class 4

Find the perimeter of the shaded region.

A150 cm
B152 cm
C154 cm
DNone of these

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Ans 1:

Arnav from DRP Bhiwani, Bhiwani

Class : Class 5

2nd fig perimeter is 32

Ans 2:

Steve Jean Cruz from Sishya, Chennai

Class : Class 5

Ans 3:

Arnav from DRP Bhiwani, Bhiwani

Class : Class 5

Ans 4:

Arnav from DRP Bhiwani, Bhiwani

Class : Class 5

172

Ans 5:

Inaaya Garg from Carmel Convent School, Chandigarh

Class : Class 4

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Akshara Srikanth from Aavishkar Academy, Bengaluru

Subject :IMO Class : Class 4

Which of the following statements is CORRECT?

APerimeter of square (A) is greater than the perimeter of rectangle.
BPerimeter of square (B) is equal to the perimeter of rectangle.
C(Perimeter of square (A) + perimeter of square (B)) is greater than the perimeter of rectangle.
D(Perimeter of square (A) + perimeter of rectangle) is less than the perimeter of square (B).

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Bhavya Agrawal from Cambridge Court High School, Jaipur

Subject :IMO Class : Class 4

Hema ran 3/4 km and swam 3/8 km. She cycled the rest of the distance. If she had travelled km altogether, then how far did she cycle?

A
B
C
D

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Ans 1:

Krishiv Gupta from Sanskriti school, New Delhi

Class : Class 4

Ans 2:

juana pierce from kcs, coimbatore

Class : Class 8

p-0=9

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RAJWARDHAN from APJEE, MUMBAI

Subject :IMO Class : Class 4

The given figure is made up of 12 identical squares and the perimeter of the shaded part is 48 m. What is the perimeter of the rectangle WXYZ?

A 84 m
B 86 m
C 88 m
D 90 m

it should have been 72m.

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Ans 1:

Nanditha Sisupalan from Sunflower Vedic School, Hyderabad

Class : Class 4

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