Two persons appear in an examination for the same post. The probability of first person selected is 1/4 and the probability of second person selected is 1/2. What is the probability that only one of them is selected? 1/4 1/2 2/3 2/5 None Option B Solution: P(1st person selected)=1/4, P(1st person not selected)=3/4 P(2nd person selected)=1/2, P(2nd person not selected)=1/2…
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Mixed Quantitative Aptitude Questions For Clerk Mains Set 61
Ram’s age after six years will be three-seventh of his father’s age. Ten years ago the ratio of their ages was 1:13. What is Ram’s father’s age at present? 36years 32 years 39 years 42 years None Option A Solution: 10years before the ratio of their ages 1x:13x After 6yrs Ram’s age will be 3/7th of his father 1x+16=3/7(13x+16) 7x+112=39x+48…
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Quantitative Aptitude Questions for IBPS RRB/PO/Clerk, SBI PO, NIACL, NICL, RBI Grade B/Assistant, BOI, Bank of Baroda and other competitive exams A die is thrown twice and the sum of the numbers appearing is observed to be 7. What is the conditional probability that the number 3 is appeared atleast once? A) 2/5 B) 1/3 C) 1/4 D) 2/3…
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Quantitative Aptitude Questions for IBPS RRB/PO/Clerk, SBI PO, NIACL, NICL, RBI Grade B/Assistant, BOI, Bank of Baroda and other competitive exams The ratio of the no of Male and female employees in an office was 8:7. Some new male and female employees were joined in the ratio 3:2. At this, the total no of employees in an office become 900…
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Quantitative Aptitude Questions for IBPS RRB/PO/Clerk, SBI PO, NIACL, NICL, RBI Grade B/Assistant, BOI, Bank of Baroda and other competitive exams A and B both sold the same Bicycle. The price of the Bicycle is Rs. 36,000. A gives a discount of 15% on whole, while B gives a discount of 10% on the first Rs 25,000 and 15% on…
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Quantitative Aptitude Questions for IBPS RRB/PO/Clerk, SBI PO, NIACL, NICL, RBI Grade B/Assistant, BOI, Bank of Baroda and other competitive exams In two alloys A and B the ratio of zinc to copper is 4:5 and 2:7 respectively. Eighteen kg of the alloy A and 45 kg of the alloy B are mixed together to form a new alloy. what…
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Quantitative Aptitude Questions for IBPS RRB/PO/Clerk, SBI PO, NIACL, NICL, RBI Grade B/Assistant, BOI, Bank of Baroda and other competitive exams A boat takes 90 minutes less to travel 36 km downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 km/h, the speed of the stream is: A) 3km/hr B)…
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Quantitative Aptitude Questions for IBPS RRB/PO/Clerk, SBI PO, NIACL, NICL, RBI Grade B/Assistant, BOI, Bank of Baroda and other competitive exams A profit of 30% is made on goods when a discount of 20% is given on the marked price. What profit per cent will be made when a discount of 30% is given on the marked price? A) 11…
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A Man started his journey, he travelled 400 km, at the speed of 40 km/hr then he went to another 300 km, at the speed of 20 km/hr. Further he went 600 km, at the speed of 30 kmk/hr. The average speed of a Man is: A) 28 8/9km/hr B) 29 5/6km/hr C) 30.5km/hr D) 32km/hr E) None A Bike…
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The number of students in 3 classes are in the ratio 4:5:6. If 15 students are increased in each class this ratio changes to 11:13:15. The total number of students in the three classes in the beginning was A) 165 B) 150 C) 175 D) 180 E) None A, B and C have 40, x and y balls with them…
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