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E:\Working\Orange_Education\Math_Genius_2\Open_Files\Chap_01
\ 26-Sep-2025 Bharat Arora Proof-10 Reader’s Sign _______________________ Date __________

9. Some flowers are shown below. Starting from the left, colour the flowers as per
the given colour code.

l First, fifth and ninth – blue l Second, sixth and tenth – green

l Third, seventh and eleventh – red l Fourth, eighth and twelfth– yellow

Challenge Question Critical Thinking

Mystery Numbers

Mystery Number 1: Mystery Number 2:

• I am a 3-digit number. • I am a 3-digit even number.
• I am an odd number. • I am the greatest number.

• All my digits are the same. • All my digits are different.
• The sum of my digits is 27. • The sum of my digits is 24.

Who am I? ____________ . Who am I? ____________ .

Project Experiential Learning

Write the last 3 digits of the mobile numbers of your family members and
complete the following table.

Name of the family relation Last 3 digits of Number name of
member mobile number number formed

Arrange the numbers in:

Ascending order: _______________________________
Descending order: _______________________________

32 Mathematics-2