Percentage

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121 A earns 25% more than B. C earns 25% more than A. A earns 20% more than D. E earns 20% more than A. A, B, C, D, and E earn individual amounts less than ₹ 100. What is the total amount earned by all five of them put together?

A
₹ 300
B
₹ 245
C
₹ 305
D
₹ 480

122 In an examination, 20% of total number of students failed in Math, 15% of total number of students failed in English and 5% of total number of students failed in both. Find the percentage of students who passed in both the subjects:

A
50%
B
60%
C
30%
D
70%

123 Last year, there were 610 boys in a school. Number of boys decreased by 20% this year. How many girls are there in the school, if the number of girls is 175% of the total number of boys in the school this year?

A
854
B
848
C
798
D
782

124 1 L of water is added to 5 L of alcohol and water solution containing 40% alcohol strength. The strength of alcohol in the new solution will be

A
5 L
B
3 L
C
2 L
D
4 L

125 A bucket has ‘a’ number of small and large mangos out of which b% are black. Of the small mangos, c% are black and of large mangos, d% are black. Find the number of small mangos in the bucket:

A
a × $$\frac{(b - d)}{c + b - d}$$
B
a × $$\frac{(b - d)}{c + b - 2d}$$
C
a × $$\frac{(c - b)}{b - d}$$
D
a × $$\frac{(b - d)}{c - d}$$

126 In a class, if 50% of the boys were girls, then there would be 50% more girls than boys. What percentage of the overall class is girls?

A
25%
B
33.33%
C
40%
D
20%

127 Class B has 50% more students than class A. Number of girls in class A is equal to number of boys in class B. The percentage of girls is the same in both classes. What percentage of the student group are boys?

A
33.33%
B
40%
C
25%
D
60%

128 A, B and C participated in a egg eating competition. A beat C by 18 eggs. A also beat B by eating 50% more egg than B. Also B had eaten 5 percentage points more egg than C. Find the overall number of eggs that were eaten:

A
90 eggs
B
81 eggs
C
72 eggs
D
100 eggs

129 In an examination, the score of A was 10% less than that of B, the score of B was 25% more than that of C, and the score of C was 20% less than that of D. If A scored 72, then the score of D was

A
70
B
75
C
80
D
85

130 In an examination, 35% of students failed in quants and 42% of students failed in verbal while 14% failed in both the topics. If 222 students passed in both the topics, how many students appeared to write the examination?

A
500
B
600
C
700
D
800