International Maths Olympiad Forum By SOF Olympiad Trainer - Page 179

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Kashish Kathuria from Delhi Public School, Bangalore

Subject :IMO Class : Class 8

Two rectangles ABCD and DBEF are as shown in the figure. The area of rectangle DBEF (in square units) is _____.

A 10
B 12
C 14
D 15

How?

Ans 1:

Kashish Kathuria from Delhi Public School, Bangalore

Class : Class 9

How?

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Harshvardhan Yashwant Jadhawar from somalwar nikalas nagpur , nagpur

Subject :IMO Class : Class 7

A
B
C
D

explain please

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VISHWA from DAV BOYS SENIOR SECONDARY SCHOOL, CHENNAI

Subject :IMO Class : Class 6

There are 222 red balls in a basket. A boy takes out 6 red balls from it and replaces them by 12 white balls. He continues to do so, till all red balls are replaced by white balls. Then the number of white balls put in the basket is ______.

A 333
B 444
C 345
D 400

Please explain

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samridhi from NOTREDAME ACADEMY PATNA, PATNA

Class : Class 4

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Akshat Thakur from St Josephs School, Shaktinagar

Subject :IMO Class : Class 10

If 2 men and 7 women can do a piece of work in 4 days, 4 men and 2 women can do the same work in 5 days, then in how many days 6 men and 27 women can do the same work?

A
B
C
DNone of these

hello

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Harini Kanvinde from Delhi Public School Bangalore North, Bangalore

Subject :IMO Class : Class 1

Find the value of U and V respectively.

A9, 7
B7, 9
C8, 9
D9, 8

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Manya Bhardwaj from hfs - powai, mumbai

Subject :IMO Class : Class 5

Find the value of P + Q.

A
B
C
D