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What will be the 55th word in the arrangements of the letters of the word PERFECT

Read Solution (Total 7)

TCS Other Question

If P(x) =ax^4 +bx^3+cx^2+dx+e ,has roots at x = 1, 2, 3, 4 and P(0) = 48, what is P(5). The grass in a school playing field had to be cut.
One man could mow the grass in 4 hours
One man could mow the grass in 5 hours
One man could mow the grass in 6 hours
One man could mow the grass in 8 hours
If they all joined forces to cut the field and they all worked at their individual rates, how long would it take to cut the grass.