International Maths Olympiad Forum By SOF Olympiad Trainer

Akshita from DPS, Noida

Subject :IMO Class : Class 8

Solve :

A
B
C
D

Ans 1:

vishant mishra cool guy from Deens Academy, Bengaluru

Class : Class 2

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Kiyan from ,

Subject :IMO Class : Class 8

Number of prime factors in is

A3
B4
C5
D15

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Darsh Bansal from DL DAV, DELHI

Subject :IMO Class : Class 5

Mansi took 47 minutes to complete her homework. She finished her homework at 12:07 p.m. At what time did she start doing her homework?

A11:20 a.m.
B11:30 p.m.
C11:45 a.m.
D11:20 p.m.

Ans 1:

Ayaansh Lad from Vibgyor High, Balewadi, pune

Class : Class 5

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Kartavya from DPS WhiteField, Bangalore

Subject :IMO Class : Class 4

The given figure is made up of 5 identical rectangles. The length and breadth respectively of each rectangle are 8 cm and 3 cm. Find the perimeter of the given figure (not drawn to scale).

A83 cm
B80 cm
C78 cm
DNone of these

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Ans 1:

Haritha Rangarajan from ,

Class : Class 5

Ans 2:

Suhani from SOI, Bangalore

Class : Class 6

Ans 3:

Kartavya from DPS WhiteField, Bangalore

Class : Class 4

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Vivaan Dhall from Manav Rachna International School Sector 46, Gurgaon

Subject :IMO Class : Class 4

Anjali bought one dress, one shirt and one T-shirt. The T-shirt costs Rs. 150. The shirt costs Rs. 250 more than the T-shirt. The dress costs twice as much as the T-shirt. How much did she spend on the three items?

(A) Rs. 950

(B) Rs. 1050

(C) Rs. 750

(D) Rs. 850

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Vivaan Dhall from Manav Rachna International School Sector 46, Gurgaon

Class : Class 4

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Vriksh Roy Meharia from DPS Bangalore East, bangalore

Subject :IMO Class : Class 5

The given table shows the prices of 3 different types of eggs. of the eggs Priyanka bought were chicken eggs. of them were century eggs and the rest were quail eggs. If Priyanka spent a total amount of ₹ 6.50 on the chicken and century eggs, then how much did she spend on the quail eggs?

A₹ 1.25
B₹ 1.40
C₹ 1.65
D₹ 1.80

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Ans 1:

Moukthika from NPS Agara , Bangalore

Class : Class 6

Ans 2:

nandini badola from christ school, dehradoon

Class : Class 6

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SAARTHAK SAHU from KVS NOIDA , NOIDA

Subject :IMO Class : Class 4

hours = _____________ seconds.

A24800
B24100
C24600
D24500

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Anuj Thakur from Vidya Niketan School, Haryana

Subject :IMO Class : Class 9

Study the following information carefully and answer the question given below.
(i) In a family of 6 persons, there are two couples.
(ii) The Lawyer is the head of the family and has only two sons-Mrinal and Rakesh-both Teachers.
(iii) Mrs. Reena and her mother-in-law both are Lawyers.
(iv) Mrinal's wife is a Doctor and they have a son, Ajay.

What is/was Ajay's Grandfather's occupation?

A Teacher
B Lawyer
C Doctor
D Can't be determined

How it this not correctIt's given from 1 statement that the head has two sons Mrinal and Rakesh Now from 4th statement Mrinal's wife has a son Ajay which means mrAjay is Mrinal's sonAnd some the head is the father of Mrinal who is LawerIt is clear that the occupation of Ajay's Grandfather is Lawyer

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Suyash Agrawal from ,

Subject :IMO Class : Class 8

Solve the following :
(i) The length of a room is double its breadth. Its height is 3 metres. The area of its four walls (including doors) is 108 m². Find its volume.
(ii) The volume of a cylinder is 448 p cm³ and height is 7 cm. Find its lateral surface area.

A(i)-216 m³, (ii)-148 cm²
B(i)-190 m³, (ii)-352 cm²
C(i)-216 m³, (ii)-352 cm²
D(i)-198 m³, (ii)-150 cm²