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What kind of changes are needed in the textbook????
What is the difference between syllabus and textbook????
How many odd numbers are there from 25 to 75 which are divisible by 3 and 5?
How many numbers from 11 to 50 are there which are exactly divisible by 7 but not by 3?
What is the value of knowing and understanding divisibility rules?
Which state of India has recorded the highest rate of population growth in the last census?