model 4 x & y comparison Section-Wise Topic Notes With Detailed Explanation And Example Questions

MOST IMPORTANT quantitative aptitude - 11 EXERCISES

Top 10,000+ Aptitude Memory Based Exercises

The following question based on percentage topic of quantitative aptitude

Questions : B got 20% marks less than A. What per cent marks did A got more than B ?

(a) 12%

(b) 20%

(c) 80%

(d) 25%

The correct answers to the above question in:

Answer: (d)

Using Rule 9,

Required percentage = $20/{100 - 20} × 100$ = 25%

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Read more comparing two terms Based Quantitative Aptitude Questions and Answers

Question : 1

How much 66$2/3$% of Rs. 312 exceeds Rs. 200?

a) Rs. 8

b) Rs. 96

c) Rs. 104

d) Rs. 4

Answer: (a)

According to the question, Required difference

= Rs.$(312 × 200/3% - 200)$

= Rs.$(312 × 200/300 - 200)$

= Rs.(208 - 200)= Rs.8

Question : 2

If x is less than y by 25% then y exceed x by :

a) 75%

b) 33$1/3$%

c) 66$2/3$%

d) 25%

Answer: (b)

Let y be 100.

x = 75

Required percentage = ${25×100}/75 = 100/3 = 33{1}/3$%

Using Rule 9,

If ‘x' is A% less than ‘y', then y is more than ‘x' by

Required% = $(A/{(100 - A)}×100)%$(increase)

Required percentage = $25/{(100 - 25)} × 100%$

= $25/75 × 100% = 33{1}/3$%

Question : 3

If x earns 25% more than y. What percent less does y earn than x ?

a) 20%

b) 16%

c) 25%

d) 10%

Answer: (a)

Using Rule 8,

Required percentage = $25/{100 + 25} × 100$ = 20%

Question : 4

If x is 10% more than y, then by what per cent is y less than x ?

a) 8$1/11$%

b) 9$1/11$%

c) 10$1/11$%

d) 7$1/11$%

Answer: (b)

Using Rule 8,

If the income of a man is A% more than another man, then the income of another man is less in comparison to the 1st man by

$(A/{(100 + A)}×100)$%

Required per cent decrease

= $10/{100+10}×100 = 10/110×100 = 9{1}/11$%

Question : 5

Which number is 40% less than 90 ?

a) 50

b) 36

c) 60

d) 54

Answer: (d)

Required number = 60% of 90 = ${90 × 60}/100$ = 54

Question : 6

If a number x is 10% less than another number y and y is 10% more than 125, then x is equal to :

a) 140.55

b) 150

c) 123.75

d) 143

Answer: (c)

y is 10% more than 125

= $125×110/100 = 137.5= y$

and x is 10% less than y

$x = 90/100 × y = 90/100 × 137.5$

= 123.75

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GET percentage PRACTICE TEST EXERCISES

model 1 simple percentage questions

model 2 net increase or decrease in %

model 3 reducing & exceeding prices

model 4 x & y comparison

model 5 income & expenditure

model 6 consumption & remaining

model 7 marks scored in examinations

Model 8 population based

model 9 voters & election

model 10 percentage with allegations & mixture

model 11 percentage with ratios
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