Question
If Ram works 3 times as fast as Shyam and is able to
complete a work in 40 days less than the number of days taken by Shyam, then find the time (in days) in which they can complete the work, working together.Solution
Let Shyam's time be x days. So, Ram's time is x - 40 days. Since Ram is 3 times faster, Shyam's time is 3 times Ram's time: x = 3(x - 40) x = 3x - 120 => 2x = 120 => x = 60 days (Shyam), Ram's time = 20 days. Ram's 1 day work = 1/20, Shyam's 1 day work = 1/60. Together, 1 day work = 1/20 + 1/60 = (3+1)/60 = 4/60 = 1/15. So, they will complete the work together in 15 days.
8: 24:: 38:?
In a certain language, if SCIENCE is coded as 8-24-18-22-13-24-22, then what would be the code for HISTORY?
If P = 32, PET = 60, then ‘PACE’ will be equal to?
How many numbers between 1 to 50 are there, which are not only exactly divisible by 4 but also has 4 as a digit?
If 12 # 34 = 14 and 67 # 88 = 106, then 45 # 67 = ?
Select the related number from the given alternatives:
8 : ? :: 7 : 344
Select the option that is related to the third number in the same way as the second number is related to the first number.
46: 146 :: 65:?
Select the option that is related to the third term in the same way as the second term is related to the first term.
GAYH : IYWJ :: FBAO : ______
- Select the option that is related to the third letter cluster in the same way as the second letter cluster is related to the first-letter cluster.
PLAT... Bee : Hum :: ?