The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is?
Pick one
A) 121
B) 10
C) 16
D) 12
E) 71
Due to stoppages, it covers 9 km less.   Time taken to cover 9 km = 9/54 * 60= 
<gadget id="calculator">9/54 * 60</gadget>
<output>10</output>
10 min.   Answer: 10
<result>B</result>
The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is?