# Percentages ( 6 to 10 )

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Percentages ( 6 to 10 ):

# APTITUDE QUESTIONS (PERCENTAGES):

6. What percentage of Rs.1650 is Rs.973.50?

A)    59%

B)    55%

C)    60%

D)    70%

E)    None of these

Explanation:

Required percentage = (973.50/1650*100)%= (9735/165*1/100*100)%=59%

7. How many litres of pure acid are there in 8 litres of a 20% solution?

A)    1.4

B)    1.5

C)    1.6

D)    2.4

E)    None of these

Explanation:

Quantity of pure acid = 20% of 8 litres = (20/100*8)%=1.6

8. Which one of the following shows the best percentage?

A)    384/540

B)    425/500

C)    570/700

D)    480/660

E)    None of these

Explanation:

384/540 = (384/540*100)% = 71(1/9)%
425/500 = (425/500*100)% = 85%
570/700 = (570/700*100)% = 81(3/7)%
480/660 = (480/660*100)% = 72(8/11)%
∴ 425/500 shows the best percentage

9. 30% of 28% of 480 is the same as

A)    15% of 56% of 240

B)    60% of 28% of 240

C)    60% of 56% of 240

D)    15% of 28% of 240

E)    None of these

Explanation:

Clearly, 60% of 28% of 240 = (60/100*28/100*240)= (30/100*28/100*2*240)
= (30/100*28/100*480)=30% of 28% of 480

10. An agent gets a commission of 2.5% on the sale of product. He gets Rs.32.50 as commission on a certain day, than the product sold through him on that day worth is?

A)    Rs.750

B)    Rs.900

C)    Rs.850

D)    Rs.1300

E)    None of these