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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
View Answer
Answer: option (A)
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
View Answer
Answer: option (C)
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
View Answer
Answer: option (B)
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
View Answer
Answer: option (B)
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
View Answer
Answer: option (D)
Explanation:
2.5% of x = 32.50 => (25/100*1/10*x)= 325/10 x = (325/10*(100*10)/25)=1300