Question
The length of a rectangle is increased by 20% and the
width is decreased by 10%. What is the percentage change in the area of the rectangle?Solution
Let length = 100 and width = 100. New length = 120, new width = 90. Original area = 100 × 100 = 10000. New area = 120 × 90 = 10800. Percentage change = [(10800 - 10000) / 10000] × 100 = 8% increase. Answer: a) 8% increase.
Statements:
Only Song are Lyrics.
Some Song are Music.
All Music are Composer.
Conclusion:
I. All Song are Composer i...
If ‘$’ means ‘÷’, ‘#’ means ‘-’, ‘!’ means ‘×’ and ‘^’ means ‘+’, then the value of 72 ! 6 # 4 ^ 36 $ 4 is
...Consider the given statement to be true and decide which of the given conclusions can definitely be drawn from the statement.
Statement: From ...
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is relat...
Statements:
All banks are hospitals.
Only hospital is station.
No school is a bank.
Conclusions:
I. No hospital is a school.
II. Some banks are stations.
Select the letter-cluster from among the given option that can replace the question mark (?) in the following series.
?, K – 4, L – 6, M – ...
In a certain code language, ‘ POLISH ’ is written as ‘ 89 ’ and ‘ CLIP ’ is written as ‘ 50 ’. How will ‘ CONTROL ’ be written in th...
Select the option that is related to the third term in the same way as the second term is related to first term and the sixth term is related to the fi...
If all the vowels in the word ‘SHAREHOLDER’ are changed to the next letter in the English alphabetical order and all the consonants remain the same ...
