Skip to main content

Aptitude Day 262

Answers of Day 261: 1. 6 km/hr.
                                        2. 80 seconds.

Problems on Time and Distance:

1. A man walking at a rate of 10 km/hr crosses a bridge in 30 minutes. The length of the bridge in meters:

Solution:
                  Speed in m/s = 10*5/18 
                                        = 50/18 m/s.

                  Length = 50/18*[30*60] 
                              = 5000 m.

2. One of the 2 buses completes a journey of 150 km in 2(1/3) hours and the other one completes 600 km in 14 hours. The ratio of their average speeds is:

Solution:
                 150*3/7 : 600/14 = 3:2.



Comments

Post a Comment

Popular posts from this blog

Vocabulary Day 21

Stammer Thesaurus: Verb : stutter in speech, speak haltingly, speech defect           halt, hesitate, pause, stop, sputter... Antonyms : say quickly, pronounce, enunciate... Example sentences: ·          He was stammering when the teacher caught him red-handed. ·          One should avoid the stammering while delivering a speech. 
Post a Comment
Read more

Aptitude Day 16

Answers of Day 1 :   1. 10609                                    2. 99900025                                    3. 9409                                    4. 1010025                                      Problems On Ages              Today, in this topic, we're gonna see only the 3 models. Let's check it out. Problems: 1. John's age after 15 years will be 5 times his age 5 years back. What's the present age of John?   Solution: Let John's current age be x.                            ...
Post a Comment
Read more