Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:
A. 1 : 3
B. 3 : 2
C. 3 : 4
D. None of these

Random Topics:
Modal and Modal PerfectFuture - will / going to / present continuousGrammar: Used to, Would, Be used to, Get used toModals Of SpeculationAdjective ending with ED & INGGrammar Double Object VerbsInfinitivesPast Tense & Past Continuous TensePerfect and Past TenseGrammar AssessmentOther quiz:
Grammar › View________ the instruction, he knew how to use the fire extinguish
A. Read
B. Reading
C. Having read
D. Having readed
Present/Past/Future Continuous Tense › View
Convert the sentence to past continuous tense:
Ravi ate his food during lunch break.
A. Ravi is eating his food at lunch break.
B. Ravi was eating his food during lunch break.
C. Ravi was eating his food at lunch break.
D. Ravi was eating his food in lunch break.
Grammar › ViewI am tired because I ………..
A. worked all day
B. have been working all day
C. have worked all day
D. had been working all day
Grammar - Capitalization and Possessive Nouns › View
The battle of gettysburg was one of the major battles of the civil war.
A. Major Battles
B. Civil War
C. Battle of Gettysburg
D. Both Battle of Gettysburg and Civil War