International Maths Olympiad Forum By SOF Olympiad Trainer

Disha Vora from Zebar School for Children, Ahmedabad

Subject :IMO Class : Class 7

A piggy bank contains an equal number of one rupee, 50 paise and 25 paise coins. If the total value is ₹ 56, then how many coins of each type are there?

A25
B32
C30
D22

The answer is b-32

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Prahit tiwari from Chrysalis high varthur bangalore, Bangalore

Subject :IMO Class : Class 4

Arun’s yoga class starts from 7^th August 20XX and finishes on 23^rd August 20XX. If every Saturday is a holiday, then for how many days does he go to yoga class in that month?

A14
B13
C15
D16

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Prahit tiwari from Chrysalis high varthur bangalore, Bangalore

Subject :IMO Class : Class 4

Select a figure from the options which is exactly embedded in the given figure as one of its parts.

A
B
C
D

Ans 1:

Prahit tiwari from Chrysalis high varthur bangalore, Bangalore

Class : Class 4

yy

Ans 2:

Prahit tiwari from Chrysalis high varthur bangalore, Bangalore

Class : Class 4

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Shivangi Shivu Singh from Pawar Public School Chandivili , Mumbai

Subject :IMO Class : Class 7

Jyoti got ₹ 4252.8 as her pocket allowance for 12 months. Her pocket allowance per month was _____. (a). ₹ 372.4 (b). ₹ 35.4 (c). ₹ 37.4 (d). ₹ 354.4

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shuddhi choubey from euro school mumbai, Bhopal

Subject :IMO Class : Class 3

There are two possible routes that Rohan can take to reach the mall from his house.
Which route is longer and by how much?

AX, 230 m
BY, 236 m
CX, 236 m
DY, 230 m

b

Ans 1:

shuddhi choubey from euro school mumbai, Bhopal

Class : Class 4

b

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Arkajyoti Das from techno, Cooch Behar

Subject :IMO Class : Class 9

Select the CORRECT statement.

AIf , then the value of is 110.
BEvery integer is a whole number.
CBetween two rational numbers, there exist infinite number of integers.
DNone of these

Ans 1:

Arkajyoti Das from techno, Cooch Behar

Class : Class 9

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Shaurya Veer from Army Public School ASC C and C , Bangalore

Subject :IMO Class : Class 10

If A + B = 90°, then

Atan A
Bcot A
Csec² A
Dcosec² A

Ans 1:

ayushisingh41009 from Chrysalis high, Bangalore

Class : Class 10

tanA

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ravyan from saint joseph, shaktinagar

Subject :IMO Class : Class 9

In the given figure, AOB is the diameter of a circle and CD∥AB. If ∠BAD = 30°, then ∠CAD = _____.

A30°
B60°
C45°
D50°

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ravyan from saint joseph, shaktinagar

Subject :IMO Class : Class 9

Two circles intersect at two points A and B. If AD and AC are diameters of the circles, then which of the following steps is INCORRECT in order to prove that B lies on the line segment DC?
(P) Join AB.
(Q) ∠ABD = 90° and ∠ABC = 90° (Angle in semicircle)
(R) ∠ABD + ∠ABC = 360°
(S) DBC is a straight line segment. Hence B lies on the line segment DC.

AP
BQ
CR
DS

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Rachit Ghivari from HIS, Hubli

Subject :IMO Class : Class 7

Match the following.

A (P) → (1), (Q) → (2), (R) → (3), (S) → (4)
B (P) → (3), (Q) → (4), (R) → (1), (S) → (2)
C (P) → (4), (Q) → (1), (R) → (3), (S) → (2)
D (P) → (3), (Q) → (4), (R) → (2), (S) → (1)

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