Ratio & Proportion Questions and Answers
Quantitative Aptitude - Ratio & Proportion Questions with Answers improve skills in comparing numbers and quantities. Ratio & Proportion Aptitude is crucial for SSC, IBPS, and banking exams to enhance accuracy and analytical reasoning.
Ratio & Proportion
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93 questions
81. The marks obtained by Praveen and Vijay are in the ratio of 4 : 5 and those obtained by Vijay and Suresh are in the ratio of 3 : 2. the marks obtained by Praveen and Suresh are in the ratio of :
- 2 : 1
- 5 : 3
- 6 : 5
- 5 : 6
82. Anshul got twice as many marks is English as in Science. His total marks in English, Science and Maths are 180. If the proportion of his marks in English and math is 2 : 3, what are his marks in Science ?
- 15
- 30
- 60
- 90
83. Two numbers are in the ratio 3 : 4 and the product of their L.C.M. and H.C.F. is 10800. the sum o the number is :
- 180
- 210
- 225
- 240
84. The age of X and Y are in the ratio of 3 : 1. Fifteen years hence, the ratio will be 2 : 1. Their present ages ( in years) are :
- 30, 10
- 45, 15
- 21, 7
- 60, 20
85. The ratio of the number of boys and girls in a school is 3 : 2. if 20% of the boys and 25% of the girls are schoolarhip holders, the percentage of the school students who are not scholarship holders, is :
- 56
- 70
- 78
- 80
86. Gold is 19 times as heavy a water copper is 9 times as heavy as water. In what ratio should these be mixed to get an alloy 15 times as heavy as water ?
- 1 : 1
- 2 : 3
- 1 : 2
- 3 : 2
87. 85 kg of a mixture contains milk and water in the ratio 27 : 7. How much more water is to be added to get a new mixture containing milk and water in the ratio 3 : 1 ?
- 5 kg
- 6.5 kg
- 7.25 kg
- 8 kg
88. 15 litres of mixture contains 20% alcohol and the rest water. If 3 litres of water be mixed in it, the percentage of alcohol in the new mixture will be :
- 15
- 50/3
- 17
- 37/2
89. 20 litres of a mixture contains milk and water in the ratio 5 : 3 . if 4 litres of this mixture are replaced by 4 litres of milk, the ratio of milk to water in the new mixture will become :
- 2 : 1
- 7 : 3
- 8 : 3
- 4 : 3
90. A and B are two alloys o gold and copper prepared by mixing metals in the ratio 7 : 2 and 7 : 11 respectively. If equal quantities of the alloys are melted to form a third alloy C, the ratio of gold and copper in C will be :
- 5 : 9
- 5 : 7
- 7 : 5
- 9 : 5