Question
A contractor is hired to complete a road in 40 days and
initially employs 40 workers. After 24 days, he realizes that only one-third of the work has been completed. How many additional workers must he hire to finish the remaining work 4 days ahead of schedule?Solution
Let the number of extra men be ‘m’.
(40 × 24)/(1/3) = [(40 + m) × 12]/(2/3)
m = 120
If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
3 ÷ 6 + 3 – 4 × 4 = ?
...What comes in place of ___(A)___?
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed ...
Select the option that is related to third number cluster in the same way second number cluster is related to first number cluster.
18: 162 :: 44: ?
Arrange the given words in the sequence in which they occur in the dictionary.
A) Case
B) Cashier
C) Caselet
D) Cash
Point T is in which direction with respect to point P?
If ‘REALISE’ is coded as ‘9’, ‘PAMPHLET’ is coded as ‘8’, then what is the code for ‘PROPOSE’ in the same code language?
...If the shortest distance between the shop and both Alok’s and Sameer’s house is considered, then the shop is closer to whose house?
On which of the following days the RRB PO seminar was held?
If A+B means ‘A is the daughter of B’, A-B means ‘A is the wife of B’, A×B means ‘A is the father of B’, A÷B means ‘A is the son of B’...