exam
Maths Puzzle
Numerical Ability
airplane 1 travels 500 mph ; airplane 2 travels 600 mph ; airplane 2 leaves 30 minutes after airplane 1 ; at what time will airplane 2 catch airplane 1 ?
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exam Other Question
Given vectors a={7,4} and b={2,3}. Find 2a-b.
Which of the following is a line parallel to y = ½x + 4? @ The slopes of parallel lines have the same slope values.
a. y = ½x – ¼
b. y = 2x – 4
c. y = 2x – ¼
d. y = -2x