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8Â years, 8Â months ago
solving maths takes lot of time.. how to make time sufficient?
Whats the best way to improve Quants score in CAT given the scarcity of time (CAT 2016)?
how to start preparation for reading comprehension and verbal ability section from scratch? I have enough time as I am eligible for cat2017
How Many Marks will be needed to Score 70-75 percentile in CAT 2016?
where to find rrb mocks?
How was 40+18+40+18 arrived at ?
Here is the question:
Neeraj has agreed to mow a lawn, which is a 20 m × 40 m rectangle. He mows it with 1 m wide strip. If Neeraj starts at one corner and mows around the lawn toward the centre, about how many times would he go round before he has mowed half the lawn? (Round off the answer to two decimal digits)
CrackU Solution:
To mow half of lawn is to mow 400 squares of 1m width each. Neeraj mows 40+18+40+18 = 116 squares of 1m width each in 1st round, in 2nd round he mows 38+16+38+16 = 108 squares and in 3rd round, he mows 36+14+36+14 = 100 squares. So, in total, he mows 324 squares; but he needs 400-324 = 76 more.
If he covers the 4th round completely, he mows 92 squares, to cover only 76, he needs to cover 76/92 = 0.826 round.
So in total 3.826 ≈">≈≈ 3.83 rounds are required.
expected cut off for Ibps PO prelims ?
how do i solve perra jumbled
where is the mock test
how to improve reading comprehension skills?
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