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Quantitative Aptitude Quiz For SBI Clerk Prelims 2022- 29th April

Q1. An alloy ‘A’ made of Copper and Zinc contain 40% copper and another alloy ‘B’ having same elements contain 30% zinc. A new alloy is made by mixing both alloys which contain 60% copper. Find the ratio of quantity of alloy A to alloy B in the new alloy?
(a) 1 : 2
(b) 3 : 4
(c) 2 : 1
(d) 4 : 3
(e) 5 : 3

Q2. A mixture of wine and water contains 75% wine. If 8 liter of mixture is taken out and 7 liters of wine is added, then ratio of wine to water becomes 7 : 2, then find the quantity of mixture initially?
(a) 75 L
(b) 64 L
(c) 68 L
(d) 56 L
(e) 40 L

Q3. The average weight of a class of 45 girls is 53 kg. It was later found that weight of two girls was read as 49 kg and 57 kg instead of 45 kg and 52 kg. Find the actual average weight of the class?
(a) 54 kg
(b) 53.40 kg
(c) 50.6 kg
(d) 52.80 kg
(e) 51.5 kg

Q4. The average score of Sachin in his initial 40 matches is ‘a’. In next two matches he scores 112 and 99 runs so that his average increased by 2 runs. Find his new average?
(a) 63.5
(b) 67.5
(c) 67
(d) 65.5
(e)61.5

Q5. A container contains milk and water in ratio 13 : 7. When 30 lit mixture is taken out of x lit mixture and 2.5 lit of milk is added, then quantity of milk becomes 66⅔% of total mixture. Find ‘x’?
(a) 80 lit
(b) 70 lit
(c) 90 lit
(d) 100 lit
(e) 75 lit

Q6. The ratio of age of Veer to Sameer six years ago was 3 : 7 and six years hence will be 5 : 9. Find the ratio between present age of Veer and Sameer?
(a) 2 : 3
(b) 1 : 4
(c) 1 : 3
(d) 1 : 2
(e) 1 : 5

Q7. Average age of a group of 30 people is 24 years. If two persons of age 20 year and 30 year left the group and a new person joins the group, then average age of group becomes 25 year. Find age of the person?
(a) 32 yrs
(b) 45 yrs
(c) 55 yrs
(d) 50 yrs
(e) 70 yrs

Q8. The average weight of 16 coconuts is 1.5 kg. If 5 watermelons are also added, then the average weight increases by 0.5 kg. What is the total weight of 5 watermelons?
(a) 22 kg
(b) 15 kg
(c) 20.5 kg
(d) 18 kg
(e) None of these

Q9. A mixture of milk and water contains 7 liters of water. When 2 liters of milk and 11 liters of water is added to the mixture, then the concentration of milk in mixture becomes 80%. Find total quantity of initial mixture?
(a) 68 liters
(b) 85 liters
(c) 90 liters
(d) 77 liters
(e) 72 liters

Q10. The average age of A and B 5 years hence will be 40 years. If B’s age 10 years ago was 19 years and C’s present age is 4 years more than A’s present age, then find sum of A and C’s present age?
(a) 95 years
(b) 75 years
(c) 90 years
(d) 94 years
(e) 86 years

Q11. Two years ago, Raju’s age was 75% of his sister’s, Rita, age at that time. After two years, Rita’s age will be 33⅓% of her father’s age and average age of Rita’s father and mother is 31 yrs. If Rita’s mother’s age is 28 yrs, then what is the present age of Raju?
(a) 10 yrs
(b) 6 yrs
(c) 8 yrs
(d)12 yrs
(e) 14 yrs

Q12. The average score of Rishabh in five different tests is 42.5. Later it was seen that the two scores were written incorrectly as 44 in place 42 and 36 in place of 40. Find the correct average.
(a) 42.9
(b) 49.2
(c) 42.8
(d) 41.9
(e) 42.2

Q13. A container contains milk and water in ratio of 3:1 and capacity of container is 40 lit. If half of the Container is replaced with 15 lit of water, then find new quantity of water in container?
(a) 15 lit
(b) 20 lit
(c) 18 lit
(d) 24 lit
(e) None of these

Q14. Mahendra is 12 years younger than Niraj and Niraj’s age 3 years ago was three times the present age of Bhavya. At present Mahendra’s age is twice the age of Bhavya, then what is the present age of Niraj (in years)?
(a) 18
(b) 12
(c) 27
(d) 30
(e) 15

Q15. The average of four numbers is increased by 1 when a number is replaced by x and average of that four number is decreased by 1 when another number is replaced with x. What is the difference between the both numbers?
(a) 6
(b) 8
(c) 16
(d) 4
(e) Cannot be determined

Solutions

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