Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?
16, 23, 19, 19, 22, 15, 25, ?
What number should replace the question mark?
A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?
Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand's present age in years?
A. 24
B. 27
C. 40
D. Cannot be determined
What Word does this rebus represent?
What Word does this rebus represent?
Which number is odd one out?
A train travelling at 48 kmph completely crosses another train having half its length and travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of the platform is
A. 400 m
B. 450 m
C. 560 m
D. 600 m
Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand's present age in years?
A. 24
B. 27
C. 40
D. Cannot be determined
A drug that is highly effective in treating many types of infection can, at present, be obtained only from the bark of the ibora, a tree that is quite rare in the wild. It takes the bark of 5,000 trees to make one kilogramme of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibora's extinction.
Which of the following, if true, most seriously weakens the argument above?
A. 
The drug made from ibora bark is dispensed to doctors from a central authority. 

B. 
The drug made from ibora bark is expensive to produce. 

C. 
The leaves of the ibora are used in a number of medical products. 

D. 
The ibora can be propagated from cuttings and grown under cultivation. 

E. 
The ibora generally grows in largely inaccessible places. 
What is the next number in the sequence?
61 57 50 61 43 36 61 ? ?