Skip to main content

Aptitude Day 220

Answers of Day 219:    1. 10000
                                       2. 4.5


Problems on Surds and Indices:

1. (64)-1/2 - (-32)-4/5 is ?

Solution:
                 1/(82)1/2 -  1/(25)4/5

                = 1/8 - 1/16
       
                = 1/16.


2. (18)3.5 / (27)3.5 * 63.5 = 2x . Find x.

Solution:
                 (2*32)3.5 / (33)3.5 *(2*3)3.5


                 23.5 *37  * 1/310.5 * 23.5 * 33.5

                  27 =2x

                  Hence x = 7.
                 

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

Vocabulary Day 32

Indulge Thesaurus: Verb : allow            entertain, delight, give in, go along, please, pamper, satisfy... Antonyms : disappoint, distress ...         Example sentences: ·          You must indulge your child.  ·          One must not indulge in such activity.
Post a Comment
Read more