International Maths Olympiad Forum By SOF Olympiad Trainer

Srinvitha from BVBARRS, Hyderabad

Subject :IMO Class : Class 7

Fig. (X) given on the left hand side is folded along the lines to form a cube. Choose the boxes from the options which may be formed on closing the cube.

A 2 and 3
B 3 and 4
C 2 and 4
D 1 and 4

The answer is 3 and 4.

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Srishanth from Silver oaks, Hyd

Subject :IMO Class : Class 7

∠A and ∠C of ΔABC are 40° and 50°, respectively. Which of the following is true?

AAC² = AB² + BC²
BBC² = AB² + AC²
CAB² = AC² + BC²
DNone of these

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Kashish Kathuria from Vibgyor High, Bangalore

Subject :IMO Class : Class 6

Three sisters leave their home at the same time. The step size of the three girls are 40 cm, 48 cm and 45 cm respectively. What is the minimum distance each should cover so that all can cover same distance in complete steps?

A720 m
B72 cm
C7.2 m
D70.2 cm

Why is the answer in metres.No where it is mentioned that the answer should be in metres.The answer should be in centimetres.

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Falguni from Navkis, Bangalore

Class : Class 6

Convert it from cm to m

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Vedaryan Awasthi from Symbiosis, Pune

Subject :IMO Class : Class 6

Compare and fill the box using '<', '>' or '='. 3 tens + 7 tenths 3 hundredths + 7 tenths

A>
B<
C=
DCan't be determined

can anybody explain me how to solve this

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Falguni from Navkis, Bangalore

Class : Class 6

3 tens + 7 tenths will be =30.7 and 3 hundredths + 7 tenths = 0.73 so the answer will be A

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Devasree from Presidium, Ghaziabad

Subject :IMO Class : Class 4

Read the statements carefully and identify the number.
• Its hundreds digit is even number, smaller than 9 but greater than 4.
• Its tens digit is odd number, greater than 2 but smaller than 6.
• Its ones digit is the smallest odd number.

A 653
B 831
C 541
D 857

Hundreds digit is an even number.5 is not even in c option

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LAASSINII from NARAYANA SCHOOL, PALAMANER

Class : Class 4

*OPTION B*

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Soham Raniga from Indian School Ghubra, Muscat

Subject :IMO Class : Class 4

Vaishnavi is thinking of a four digit number. Identify the number using the given clues.
• The first digit is twice the fourth digit.
• The second digit is the third multiple of 3 and the fourth digit is one-third of second digit.
• The third digit is the smallest odd number.

A 6913
B 8914
C 3916
D 6193

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Moksha Shah from DPS, Ahmedabad

Subject :IMO Class : Class 4

A number is greater than 50 but smaller than 59. It has only two factors. What is the number?

A 51
B 55
C 53
D 57

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mansi from gems, Dubai

Subject :IMO Class : Class 6

The maximum number of students among whom 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is

(A) 91

(B) 910

(C) 1001

(D) 1911

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Arnav gupta from DPS rohini, Delhi

Subject :IMO Class : Class 6

If the opposite angles of a quadrilateral are equal and diagonals are not equal, then the quadrilateral is a _____.

AParallelogram
BTrapezium
CRhombus
DRectangle

Rhombus also have same properties of paralloleogram