Read more: The speed of a boat in still water is 10 km per hour. If it can travel 24 km downstream and 14 km...
Read more: A person receives a total return of Rs. 402 from an investment of Rs. 8001 in two debenture issues...
Read more: A father is 28 years older than the son. In 5 years the father's age will be 7 years more than...
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Read more: A number is double and than increased by nine. the result is ninety-one. what is the original...
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