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Read alot-outside the textbooks-for pleasure avoid difficult books-read
interesting ones-avoid dictionary-guess meanings-extensive and not intensive
reading-different opinions.
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- Question: 1) The sum of three consecutive odd no is 87 . Find the numbers?
Solution:
❒ Let the three consecutive odd numbers are x, (x + 2) and (x + 4).
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The sum of three consecutive odd no is 87.
❒ Hence, three consecutive odd numbers are:
- First number, x = 27
- Second number, (x + 2) = 27 + 2 = 29
- Third number, (x + 4) = 27 + 4 = 31
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- Question: 2) The sum of two numbers is 80 . If the larger number exceeds four times the smaller by 5 , what is the smaller number?
Solution:
Given: The sum of two numbers is 80.
Need to find: The smaller number.
❒ Let the two numbers are x and y respectively.
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The sum of two numbers is 80.
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If the larger number exceeds four times the smaller by 5,
Therefore,
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Also,
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