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A student walking at a speed of 2(1)/(2)...

A student walking at a speed of `2(1)/(2)` km per hour reaches his school 6 minutes late than the scheduled time. In the next day, he gears-up his speed by 1 km per hour and reaches the school 6 minute before the scheduled time. Find the distance of the school from his house.

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The correct Answer is:
`1(3)/(4)km;`
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CALCUTTA BOOK HOUSE-QUADRATIC EQUATION IN ONE VARIABLE-EXERCISE-1.3
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  3. A student walking at a speed of 2(1)/(2) km per hour reaches his schoo...

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  4. Divide 77 into three such parts that three times of the sum of 1st and...

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  5. Two men and 6 boys together can do a work in 5 days. 8 men and 3 boys ...

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  6. Before three years, the age of a father was 5 times the age of his son...

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  8. The sum of two numbers is equal to 80. Three times of the difference o...

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  9. The sum of the two digits of a two digits' number is 9. if the digits ...

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  10. If 1 is subtracted from the numerator and 2 is added to the denomenato...

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  11. If 2 is subtracted from the numerator and 3 is added to the demoenator...

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  12. A two digits number is 3 times of the sum of its digits. If the digits...

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  13. If the digits of a two digits' number are interchanged, then the numbe...

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  14. The tens' digit of a two digits number is twice of its unit digit. If ...

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  15. If a two digits' number is divided by the sum of digits, the quotient ...

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  16. Rahul said to Rohan. ''I am twice as old as you were when I was as old...

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  17. Fill the blank: Roots of the equation x^2=6x are

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  18. A man rowing at the rate 4 km an hour takes thrice as much time to go ...

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  19. A boat goes up-stream 30 kilometres and down-stream 44 kilometres in 1...

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  20. A boy was aksed to add 3 to a certain number and to divide the sum by ...

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