If 20 men take 15 days to to complete a job, in how many days can 25 men finish that work?
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how to calculate three digit number multiplication? send me any shortcut? 235*235
what is your approach to working under pressure?
in a railway station, there are tow trains going. One in the harbour line and one in the main line, each having a frequency of 10 minutes. the main line service starts at 5 o'clock. the harbour line starts at 5.02a.m. a man goes to the station every day to catch the first train. what is the probability of man catchinhg the first train
2 persons are doing part time job in a company(say a and b). THe company is open for all the 7 days of the week.'A' works every second day.'B' works every 3rd day.If 'A'works on 1st june and 'B' works on 2nd june.Find out the date on which both 'A' and 'B' will work together.
3 dice and 4 coin are tossed together. so what is a sample space
What are the major data structures used in the following areas : RDBMS, Network data model & Hierarchical data model.
What is the least number of squares marbles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?
If two dies are thrown simultaneously what is the prob. of one of the dice getting face 6 ? a. 11/36 b. 1/3 c. 12/35 d. 1/36
Two pipes can fill a tank in 10 and 12 hours respectively while third pipe will make the tank empty in 20 hours. If all three pipes operate simultaneously, in how many hours the tank will be filled ?
A dishonest hairdresser uses a mixture having 5 parts after-shave lotion and 3 parts water. After taking out some portion of the mixture, he adds equal amount of water to the remaining portion of mixture such that the amount of after shave lotion and water become equal. Find the part of mixture taken out.
in the avg ( arthematic mean) of 5,6,7 and w is 10 what is the value of w
12.05 x 5.4 ? 0.3 = ? (a) 108.55 (b) 216.90 (c) 118.45 (d) 118.55 (e) None of these