a student had multiplied a number by 4/3 instead of dividing it by 4/3 and got 70 more.find the number.
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Let, number is x
The student had to find x/4 = 3x/4
He had found x +4/3 = 4x/3
Now, 4x/3 – 3x/4 = 70 (given)
= 16x -9x/12 = 70
= 7x = 70 × 12
= x = 70 × 12/7
= 120
Hence, the number is 120.
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The student had to find x/4 = 3x/4
He had found x +4/3 = 4x/3
Now, 4x/3 – 3x/4 = 70 (given)
= 16x -9x/12 = 70
= 7x = 70 × 12
= x = 70 × 12/7
= 120
Hence, the number is 120.
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