Quantitative Apitude-Percentage
Quantitative Apitude-Percentage
71. In an examination , 35% of total students failed in Hindi, 45% failed in English and 20% in both. The percentage of those who passed in both the subjects is :
- 10
- 20
- 30
- 40
72. Arvind spends 75% of his income. His income is increased by 20% and he incresed his expenditure by 10%. His savings are increased by :
- 10%
- 25%
- 76/2%
- 50%
73. There are 600 boys in a hostel. Each plays either hockey or football or both. If 75% play hockey and 45% play football, how many play both ?
- 48
- 60
- 80
- 120
74. In a certain office, 72% of the workers prefer tea and 44% prefer coffee. If each of them prefers tea or coffee and 40 like both, the total number of workers in the office is :
- 200
- 240
- 250
- 320
75. In an examintion, 80% of the students passed in English, 85% in Mathematics and 75% in both English and Mthematics. If 40 students failed in both the subjects, the total number of students is :
- 200
- 400
- 600
- 800
76. In an examination, 35% candidates failed in one subject and 42% failed in another subject while 15% failed in both the subjects. If 2500 candidates appeared at the examination, how many passed in either subject but not in both ?
- 325
- 1175
- 2125
- None of these
77. The boys and girls in a college are in the ratio 3 ; 2. If 20% of the boys and 25% of the girls are adults, the percentage of students who are not adults is:
- 58%
- 67.5%
- 78%
- 82.5%
78. In an election between two candidates, a candidate who gets 40% of total votes is defeted by 15000 votes. The number of votes polled by the winning candidates is :
- 6000
- 10000
- 22500
- 45000
79. In an election between two candidates, one got 55% of total valid votes. 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got was :
- 2700
- 2900
- 3000
- 3100
80. At an election involving two candidates, 68 votes were declared invalid. the winning candidates scores 52% and wins by 98 votes. The total number of votes polled is :
- 2518
- 2450
- 2382
- None