Skip to main content

Aptitude Day 328

Problems on Percentage:

1. A’s salary was decreased by 30% and subsequently increased by 30%. How much percent does he lose?

Solution:
                  Let the original salary be 100.

                  New salary = 130% of (30% of 100) = 130/100 * 30/100 * 100 = 39.

                  Decrease = 100-39 = 61%.

2. The salary of a person was reduced by 20%. By what percent should his reduced salary be raised so as to bring it at par with his original salary?

Solution:
                  20/80 * 100 = 25%.



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 47

Problem On Numbers 1. Three numbers are in the ratio 1:2:3 and their average is 180. What's the largest number? Solution:                 Let the numbers be x, 2x and 3x.                 x+2x+3x = 180                          6x = 180                            x = 30                The largest number is 3x = 90. Problem to solve: Three numbers are in the ratio of 4:2:3 and their product is 648. Find the smallest number. 
Post a Comment
Read more