Quantitative Aptitude: Ratio and Proportion Questions Set 9

Number of persons in 9th and 10th class is in ratio of 6:11.40% in class 9th are females and 48% in class 10th .What percentage of persons in both the classes are males? 54.80% 63.50% 55.50% 59.25% None of these Option A Total persons=6x+11x=17xMales in class 9th=(60/100)*6x=360x/100Males in class 10th=(52/100)*11x=572x/100Sp total persons-=360x/100 + 572x /100   Consider two alloys X…

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Quantitative Aptitude: Ratio and Proportion Questions Set 7

P,Q and R divided Rs 4200 among themselves in ratio 7:8:6.If Rs 200 is added to each of their shares,what is new ratio in which they will receive the amount? 7:8:9 8:9:7 5:5:2 1:3:7 None of these Option B P=[7/(7+8+6)]*4200=Rs 1400Q=[8/(7+8+6)]*4200=Rs 1600R=[6/(7+8+6)]*4200=Rs 1200New ratio when RS 200 is added,=1600:1800:1400   The ratio of monthly salaries of X and Y are…

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Quantitative Aptitude: Ratio and Proportion Questions Set 5

In the year 2019, in a company the ratio of employees in three different departments operation,management and human resource are 2:3:4 respectively. In the year 2020 in each department if ‘x’ number of employees left then the ratio becomes 3:5:7. In the year 2021 in each department 5 employees left then the ratio became 1:2:3. Then what is the total…

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