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Q.1
If a train takes 12 seconds to cross a platform whose length is twice than that of train's length then what is time taken by train to cross a man?

Q.2
30 men and 20 women does a work in 90 days. If the men are twice as efficient as women,how many women are needed to complete work in 30 days?

Q.3
A uses 4 digit number in a key to lock his house. If B finds the first digit of the key and the last digit is not odd number. How many maximum attempts are needed by B to open A's house?

Q.4
A bulldozer is hired to level the circular ground with circumference of 88 meter and if it takes 140 revelations to level the ground, Find the radius of Bull dozer wheel?

Q.5
Complete the series 3,7,44,432,?

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