Quantitative Aptitude Quiz For IBPS RRB PO, Clerk Prelims 2021- 12th May

Directions (1-5): Read the following table and answer the following question. Table shows the total number of student in 5 different schools and percentage of students scoring 60% or more than 60% in each school.

Q1. Find the average number of students from school B, C, and D together who score less than 60% marks?
(a) 407
(b) 358
(c) 267
(d) 372
(e) 385

Q2. If Boys to girls ratio in school D and E are 11 : 14 and 5 : 4 respectively. Then find the ratio of total Boys in school D and E together to total girls in school D and E togather?
(a) 3 : 4
(b) 19 : 15
(c) 9 : 7
(d) 21 : 22
(e) 21 : 23

Q4. If ratio of passed to failed student in school C is 7:3. Then how many students passed with less than 60% marks in school C ?
(a) 42
(b) 66
(c) 72
(d) 55
(e) 86

Q5. Find the ratio of student who scored less than 60% from school A and B together to students who scored 60% or above from school C and E together?
(a) 973 : 423
(b) 422 : 971
(c) 19 : 17
(d) 11 : 12
(e) 971 : 422

Q6. ‘B’ is 50% less efficient than ‘A’ and ‘C’ is 25% more efficient than ‘B’. ‘B’ alone can complete the work in 60 days. If ‘A’, ‘B’, ‘C’ together started the work, ‘A’ left 1 day before and ‘B’ left 6 days before completion of work, then find number of days for which ‘A’ worked?
(a) 12 days
(b) 16 days
(c) 24 days
(d) 15 days
(e) 9 days

Q8. Arun invested Rs X in scheme I for three years at the rate of 12% p.a. at simple interest while Kush invested Rs (X + 4000) in scheme II for 2 years on C.I. at 20% p.a. rate. Find sum invested by Kush if total interest earned by them is Rs. 3360.
(a) 6000
(b) 4500
(c) 2000
(d) 3500
(e) 5200

Q9. A milkman made a mixture by mixing milk and water in the ratio 2 : 3 and sold 37.5% of the mixture. If he added 62.5 ℓ water in the remaining mixture, ratio of milk to water becomes 2 : 5, then Find the initial quantity of mixture?
(a) 325ℓ
(b) 400ℓ
(c) 250ℓ
(d) 150ℓ
(e) 450ℓ

Q10. Speed of current is 3 km/hr and speed of boat in still water is 50% more than speed of boat in upstream. A boat travels 135 km in downstream and on returning, an additional engine is added which increases the speed of boat by ‘x’ kmph. If boat completes whole journey in 15 hrs, then find the value of ‘x’?
(a) 25 kmph
(b) 12 kmph
(c) 15 kmph
(d) 24 kmph
(e) 30 kmph

Directions (11-15): Solve the given quadratic equations and mark the correct option based on your answer—
(a) x < y
(b) x ≤ y
(c) x = y or no relation can be established between x and y.
(d) x > y
(e) x ≥ y

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Solutions