Percentage

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141 In an examination, 25% students failed in Physics, 20% failed in Math and 5% failed in both. Find the percentage of students who passed in both the subjects:

A
60%
B
45%
C
39%
D
62%

142 A is x% more than B. B is y % less than C. If A, B and C are positive and A is greater than C, find the relation between x and y:

A
y (100 - x) < 100x
B
y (100 - x) > 100x
C
y (100 + x) < 100x
D
y (100 + x) > 100x

143 In order to pass in an exam, a student is required to get 780 marks out of the aggregate marks. Asha got 728 marks and was declared failed by 5%. What are the maximum aggregate marks a student can get in the examination?

A
1040
B
1100
C
1000
D
Cannot be determined

144 Income of Abdul is first increased by 7% and then it is decreased by 7%. What is the change in her income?

A
0.49% (increase)
B
0.39% (decrease)
C
0.39% (increase)
D
0.49% (decrease)

145 If length and breadth of a rectangle became half and double respectively, then what will be the resultant area?

A
25%
B
55%
C
75%
D
No Effect

146 Shree spends 25% of her monthly income on household expenses. Her annual income is ₹ 4.32 lakh. What is the total amount that Shree spends on household expenses in 8 months together?

A
₹ 74000
B
₹ 71000
C
₹ 73000
D
₹ 72000

147 In a test, Sunil got 112 marks which was 32 more than the passing marks. Varounsu got 75% marks which was 70 more than the passing marks. What is the minimum passing percentage of the test?

A
35%
B
45%
C
40%
D
48%

148 In an ice-cream factory, 30% of total Mango-flavored ice-cream produced is mixed with 40% of total Chooco-flavored ice-cream produced, in a ratio of 1:1. Find the overall percentage of ice-cream produced which is mixed with each other.

A
17.14%
B
34.28%
C
35%
D
More information required

149 In a month, Rajesh bought the same amount of ghee and the same amount of oil as he had bought in April, but spent 150 more due to price increase of ghee and oil by 20% and 12%, respectively. If Rajesh had spent 450 on ghee in April, then how much did he spend on oil in a month?

A
590
B
580
C
560
D
570

150 In a examination, questions were given from 5 topics. Out of the appearing students, 10% passed in all topics while 10% did not pass in any. Of the remaining, 20% passed in one topic only and 25% in two topics only. If 24% of the total students passed 4 topics only and 500 students passed in 3 topics only, find the total number of students who appeared in the examination?

A
2500
B
2000
C
1600
D
4545