- If 45% of P is equal to 60% of Q, then find 9P is what percent of 12Q ?
100%50%80%90%120%Option A

solution: 45*P=60*Q

P/Q=60/45=4/3

percentage=(9*4/12*3)*100=100% - Two numbers are respectively 20% and 50% more than the 3rd number. What percent is the 1st number of the 2nd number ?
90%85%80%60%100%Option C

solution: let the 3rd number =100

1st number=120

2nd number=150

% required = 120/150*100=80% - A man spends 50% of his monthly salary in food and rent, 20% of remaining spends education of children and 25% of the remaining in entertainment. Find his yearly salary if he s left with rs.4200 in end of monthly as savings.
144000168000280000180000240000Option B

solution: let his monthly salary =x

x*50/100*80/100*75/100=4200

x=14000

his yearly salary=12*14000=168000 - The population of a village is increased by 20% in 2019 and decreased by 25% in 2020. Find the population of village in the end of 2020, if the population of village in 2018 is 9600.
7500850090008640none of theseOption D

solution: the population of village in 2020=9600*120/100*75/100=8640 - The length of a rectangle is 20cm and breadth is 5cm. The length decreases by 10% and the breadth deacreses by 20%, what is % change in area.
-28-30-32-40none of theseOption A

solution:Now percentage change in area=[-x-y+xy/100]%

=-10-20+10*20/100]%

=-28% - 720 sweets were distributed equally amongst children in such a way that number of sweets received by each child is 20% of the total number of children. How much sweets did each child received ?
1815122430Option C

solution: let the total number of children be x

x*20/100*x=3600

x=60

number of sweets received by each child=720/60=12 - Minu scored 35% marks and failed by 60 marks. If she scored 55% marks and she passes by 40 marks. Find by how much marks would she fail or pass if she scored 49% marks ?
10 marks , fail10 marks ,pass12 marks, pass20 marks, failnone of theseOption B

solution: 35%+60=55%-40

20%=100

pass mark=(100/20*35)+60

=175+60=235

49% marks =245

she will pass by (245-235)=10 marks - An amount of rs.44000 is divided among P, Q & R. The share of R is 10% more than share of P, while share of P is 20% more than share of Q, then find the sum of share of P & R ?
3750035000300003150032500Option D

solution: let share of Q=100

share of P=100*120/100=120

share of R=120*110/100=132

Ratio f P:Q:R= 120:100:132

=30:25:33

ATQ, 88x=44000

x=500

required= (30x+33x)=63x

=63*500=31500 - A fraction is such that it we increase the numerator by 20% and decrease the denominator by 10%, we get 5/9 as a fraction, then find the original fraction.
6/134/99/125/12none of theseOption D

solution: (x*120/100)/(y*90/100)=5/9

x/y=5/12

- If Rahul’s salary is 30% more than that of Ram’s salary, then how much percent is salary of Ram less than that of Rahul ?
18.67%22.87%23.07%24%25%Option C

solutions: let Ram’s salary =100

Rahul’s salary=130

required %= 30/130*100

=23.07%

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