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Start learning 50% faster. Sign in nowTotal distance to be covered = 40 × (90/60) = 60 km Time taken to cover half the distance at original speed = {(60 ÷ 2) ÷ 40} × 60 = 45 minutes Time remaining = 90 – 45 – 15 = 30 minutes Required speed = 30 ÷ 30 × 60 = 60 km/h
If the product of roots of equation x2 - 3(2p+4)x + (p2 - 24p + 145) = 0 is unity, then 'p' can take the values as
In which of the following group, Header and Footer can be found on the insert button while using PowerPoint?
If both the equations I and II given below are added, then find the product of roots of newly formed equation.
I: 3x2 + 9x + 5
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The main folder on a storage device is known as
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If the sum of the squares of the roots of p2 - (x-2)p - (x+1) = 0 is 5 then what is the value of x.
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 28 seconds and 18 seconds respectively. It took 24...
A set (Set ‘P’) of 4 pipes can fill ______% of a tank in 5 minutes while another of set (Set ‘Q’) of 5 pipes can empty the 60% of completely fil...
A train of length 260 m crosses another train of length 120 m running is opposite direction in 5 sec. If speed of longer train is 90 km/h, then in what ...
Which of the following is the justification that aligns text on both margins of a document in Word?