CBSE · Class 6-12

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Class 7 · Ganita Prakash · Unit 6: Number Play

Digit Puzzles

Lesson 2 of 3

'Which digit at * makes 24*8 divisible by 9?' Sum

2+4+*+8 = 14+*

. Need

18-14 = 4

.

Divisibility Rules

Number Patterns

All lessons in this unit