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zaydan from APHB, Hyderabad

Subject :IMO Class : Class 6

Which of the following options is incorrect?

ARoman numeral for the largest 3-digit number is CMXClX.
BThe smallest 4-digit number formed by using the digits 5, 6, 0, 9 (using each digit only once) is 5069.
CEstimated product of 5034 and 295 is 1500000.
DPlace value and face value are always equal at tens place.

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SWOYANSHU KHATUA from ISBe, Evere

Subject :IMO Class : Class 6

When 3226 is divided by 48, the difference between the quotient and the remainder is _____.

A 49
B 38
C 57
D 34

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Aadvik Garg from GEMS INTERNATIONAL, GURGAON

Subject :IMO Class : Class 2

If the digit 2 in the number 323 is replaced by the digit 6, then the place value of the digit at the tens place in the new number is ___________.

A 20
B 6
C 2
D 60

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Aaditya from dpsnoida , Noida

Subject :IMO Class : Class 3

What fraction of the given figure is unshaded?

A
B
C
D

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Nia Sharma from Shiv Nadar School, Gurgaon, Haryana, New Delhi

Subject :IMO Class : Class 9

In the given figure, ABCD is a parallelogram. E and F are points on opposite sides AD and BC respectively, such that ED = 1/2 AD and BF = 1/3 BC. If ∠ADF = 60°, then find ∠BFD.

A120°
B130°
C125°
D115°

This question has a mistake as the solution explains be is parallel to df hence bf should be 1/2 of bc and not 1/3

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Durga from Ekya, Bengalure

Subject :IMO Class : Class 3

Raju sells 31 bags of 5 kiwi fruit each. He has 430 kiwi fruit left. How many bags does Raju have at first?
ans is 485

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PURWANSHI CHOUDHRY from DAFFODILS WORLDS SCHOOL SIKAR, SIKAR

Class : Class 4

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arnav raj sharma from gulibulium school, new york

Subject :IMO Class : Class 7

If P denotes 'multiplied by', T denotes 'subtracted from', Y denotes 'added to' and Z denotes 'divided by', then 28 Z 7 P 8 T 6 Y 4 is ________.

A15
B30
C32
D34

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Siddhani Nayak from DPS Paradip Refinery, Paradip

Subject :IMO Class : Class 6

The weights of three iron rods are in the ratio 3 : 7 : 10. The weight of the heaviest one is 2 kg 650 g. Find the total weight of the three iron rods.

A 4 kg 700 g
B 5 kg 300 g
C 7 kg 900 g
D 4 kg 900 g