Quantitative Aptitude Quiz for IBPS Clerk Prelims 2020- 15 October

Table of Contents

Q1. If average of five consecutive odd numbers is 33, then the least odd number is:
(a) 27
(b) 31
(c) 29
(d) 23
(e) 33

Q2. The average weight of boys in a class of total strength 50 is 40 kg while average weight of girls is 35 kg. Find number of girls in class if average weight of class is 38 kg.
(a) 10
(b) 30
(c) 20
(d) 40
(e) 15

Q3. Three year ago, the average age of five employee of a company was 54 yrs. The present average age is 52 yr after the inclusion of a new employee entered. Find the age of the new employee?
(a) 18 yr
(b) 25 yr
(c) 20 yr
(d) 22 yr
(e) 27 yr

Q4.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 of the both numbers?
(a) 6
(b) 8
(c) 16
(d) 4
(e) Cannot be determined

Q5. 3 years ago, Average age of father and his son was 36 year. Present age of mother is 3 years less than twice of the age of son and ratio of mother’s age 3 years later to the father’s age 4 years ago is 24 : 25. Then, find the present average age of family ?
(a) 39 years
(b) 44 years
(c) 36 years
(d) 41 years
(e) 43 years

Q6. Ritu, Payal and Sakshi’s present salaries are in the ratio of 3 : 5 : 7. In the next year, their salaries increases by 20%, 25% and 30% respectively, find the ratio of their salaries next year.
(a) 72 : 125 : 182
(b) 125 : 72 : 182
(c) 182 : 125 : 72
(d) 21 : 53 : 123
(e) 3 : 8 : 11

Q7. A certain amount was to be distributed among A, B and C in the ratio 2 : 3 : 4 respectively, but was erroneously distributed in the ratio 7 : 2 : 5 respectively. As a result of this, B got Rs. 40 less. What is the total amount distributed?
(a) Rs. 210
(b) Rs. 270
(c) Rs. 230
(d) Rs. 280
(e) Rs. 320

Q8. Mixture P and mixture Q have wine and water in ratio 3 : 7 and 1 : 4 respectively. At what ratio both mixture must mixed to get a ratio of wine to water 1 : 3 ?
(a) 2:3
(b) 1:1
(c) 2:1
(d) 1:2
(e) None of these

Q9. Ratio of first and second number is 9:10 and ratio of first and third number is 3:4. Find difference of second and third number if average of all the three numbers is 62?
(a) 8
(b) 10
(c) 12
(d) 14
(e) 16

Q10. Average temperature of a place in 25 days is recorded as 15°C. Later it was found that average temperature of four days which was 14°C by mistake taken as 16.5°C. Find the original average temperature of that place within that duration.
(a) 14.8°C
(b) 14°C
(c) 14.4°C
(d) 14.6°C
(e) 14.2°C

Directions (11-15): Given below pie chart shows percentage distribution of population of five village in two different years (2016 & 2017). Read data carefully and answer the questions.

Q11. Find increment percentage of population of village E in the year 2017 over the 2016?
(a) 7.5%
(b) 8.5%
(c) 11.5%
(d) 12.5%
(e) 10.5%

Q12. Find the ratio between total population of village B in the year 2017 to total population of village B & C together in the year 2016?
(a) 8 : 15
(b) 9 : 11
(c) 9 : 17
(d) 9 : 16
(e) 9 : 19

Q13. Find difference between population of village D in the year 2017 and village D in the year 2016?
(a) 112
(b) 110
(c) 108
(d) 104
(e) 112

Q14. Find the average number population of village C in the both given years?
(a) 240
(b) 300
(c) 250
(d) 320
(e) 360

Q15. Find decrement percentage in population of village C in the year 2017 over the year 2016?
(a) 43.75%
(b) 44.75%
(c) 47.25%
(d) 48.75%
(e) 50.25%

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