International Maths Olympiad Forum By SOF Olympiad Trainer

Aakash Chillarige from DPS Bengaluru East, Bengaluru

Subject :IMO Class : Class 7

In a row, Tanya is 15th from the left end and 7^th to the right of Amit. Amit is 9th from the right end. How many students are there in the row?

A15
B17
C14
D16

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Sayandeb Roy from M.P.Birla Foundation Higher Secondary School, Kolkata

Subject :IMO Class : Class 8

If 2¹⁹⁹⁸ – 2¹⁹⁹⁷ – 2¹⁹⁹⁶ + 2¹⁹⁹⁵ = K.(21995), then the value of K is

A 1
B 2
C 3
D 4

Ans 1:

RC from Vibgyor, Navi Mumbai

Class : Class 8

Ans 2:

Ira Dwivedi from Ekya Byrathi, Bangalore

Class : Class 8

Ans 3:

Shrihan from Sardar patel Vidyalaya, delhi

Class : Class 8

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Anya Sharma from Pathways, Gurgaon

Subject :IMO Class : Class 8

Find the least number that must be added to 66838 to make it a perfect square.

A274
B148
C243
D312

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Atharv Jindal from ASPAM Scottish School, Noida

Subject :IMO Class : Class 5

Which of the following options is exactly embedded in the given figure as one of its parts?

A
B
C
D

Ans 1:

virat krishna from vasant valley school, New Delhi

Class : Class 6

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Atharv Jindal from ASPAM Scottish School, Noida

Subject :IMO Class : Class 5

How many minimum number of straight lines are required to draw the given figure?

A12
B10
C11
D8

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Pratyush Sablok from Delhi Public School Banglore East, Bangalore

Subject :IMO Class : Class 5

16 families went on a trip which costs ₹ 2,16,352. How much did each family pay, if each family pay the same amount of money?

A₹ 13,522
B₹ 10,432
C₹ 27,044
D₹ 14,562

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Bhargav Godbole from Euro School, Pune

Subject :IMO Class : Class 7

The door of Anand's house faces the West. From the back side of his house, he walks straight 30 metres, then turns to the left and walks 30 metres again. Finally, he turns towards right and stops after walking 40 metres. In which direction is Anand now from the starting point?

A South-East
B North-East
C West
D North-West

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Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore

Subject :IMO Class : Class 8

If the number 7563a08b is exactly divisible by 9 and 5, then the maximum value of a + b is _____, where a and b holds one-digit number.

A 12
B 7
C 9
D 10

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Adway Bachchan from Ramagya School, Noida

Subject :IMO Class : Class 9

State ‘T’ for true and ‘F’ for false and select the correct option.
(i) A triangle whose sides measures 8 cm, 4 cm and 12 cm can be possible.
(ii) It is possible to construct an angle of 57.5° using ruler and compass only.
(iii) It is possible to construct a ΔXYZ in which ∠X = 60°, ∠Y = 100° and ∠Z = 20°.

A(i)-T; (ii)-F; (iii)-T
B(i)-F; (ii)-F; (iii)-F
C(i)-F; (ii)-T; (iii)-T
D(i)-T; (ii)-T; (iii)-F

Correct option is not there as (i) is false, (ii) is false, while (iii) is true

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from ,

Subject :IMO Class : Class 8

Arrange the steps of construction while constructing a quadrilateral ABCD given AB = 5 cm,
BC = 3 cm, CD = 10 cm, AD = 6 cm and ∠A = 45°.
Step 1 : With A as centre and radius 6 cm, draw an arc to cut AX at D.
Step 2 : With D as centre and radius 10 cm, draw an arc.
Step 3 : Draw AB = 5 cm and construct ∠BAX = 45°.
Step 4 : With B as centre and radius 3 cm, draw an arc to cut the previous arc at C.

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

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