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# Quantitative Aptitude Quiz For RBI Attendant 2021- 7th April

Q1. A is 40% more efficient than B. If B takes 6 days more than A to complete a work alone then in how many days ‘A’ alone can complete the whole work.
(a) 10 days
(b) 15 days
(c) 21 days
(d) 24 days
(e) 12 days

Q2. Anurag and Roshan started a business with capital Rs. 12,000 and Rs. 14000. After 6-month Roshan withdraws 25% of his investment. If the annual profit of business was Rs. 9,700 then find the profit share of Anurag.
(a) Rs. 4,000
(b) Rs. 3,200
(c) Rs. 4,500
(d) Rs. 4,800
(e) Rs. 5,400

Q3. Ritika bought a mobile at Rs. 18,000 after two successive discounts of 20% and 25%. Find the marked price of mobile.
(a) Rs. 30,000
(b) Rs. 25,000
(c) Rs. 36,000
(d) Rs. 40,000
(e) Rs. 24,000

Q4. A container contains mixture of milk and water in ratio 3 : 2. If 4 liter of milk is added in it then ratio of milk to water becomes 2 : 1. Find the initial quantity of total mixture.
(a) 20 liter
(b) 24 liter
(c) 15 liter
(d) 40 liter
(e) 36 liter

Q5. A bag contains 3 red, 5 blue and 4 green ball. 1 ball is drawn at random. What is the probability of ball being either red or blue color.
(a) 3/7
(b) 2/3
(c) 5/12
(d) 1/3
(e) 1/4

Direction (6-10): What will come in place of (?) in the following number series?
Q6. 38, 43, 53, 68, 88, ?
(a) 109
(b) 113
(c) 115
(d) 118
(e) 108

Q7. 13, 21, 45, 117, 333, ?
(a) 993
(b) 976
(c) 981
(d) 965
(e) 963

Q8. 7, 14, 35, 98, 287, ?
(a) 879
(b) 845
(c) 843
(d) 893
(e) 854

Q9. 8, 16, 43, 107, 232, ?
(a) 392
(b) 364
(c) 448
(d) 408
(e) 452

Q10. 20, 37, 56, 79, 108, ?
(a) 139
(b) 152
(c) 163
(d) 157
(e) 137

Directions (11-15): In the following questions two equations numbered (i) and (ii) are given. You have to solve both the equations and
Give answer (a) if x > y
Give answer (b) if x ≥ y
Give answer (d) if x ≤ y
Give answer (e) if x = y or the relationship cannot be established.
Q11. (i) x² – 5x + 6 = 0
(ii) y² – 14y + 45 = 0

Q12. (i) x² – 4x – 21 = 0
(ii) y² – 10y + 16 = 0

Q13. (i) 2x² – 7x + 6 = 0
(ii) 2y² – 15y + 25 = 0

Q14. (i) 2x² – 11x – 21 = 0
(ii) y² + 17y + 66 = 0

Q15. (i) x² – 14x + 45 = 0
(ii) 2y² – 9y – 5 = 0

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