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Quantitative Aptitude Quiz For RBI Assistant Prelims 2022- 26th February

Q1. A mixture of milk and water contains 75% milk. If 8 liter of mixture is taken out and 7 liters of milk is added, then ratio of milk to water becomes 7 : 2. Find the quantity of mixture initially.
(a) 75 L
(b) 64 L
(c) 68 L
(d) 56 L
(e) 40 L

Q2. The average weight of a class of 45 girls is 53 kg. It was latter 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

Q3. The ratio of speed of boat in still water to speed of stream is 11 : 1. If the boat takes 1 hour more to cover 220 km upstream than to cover same distance in still water. Then find the speed of boat in still water.
(a) 22 km/hr
(b) 18 km/hr
(c) 15 km/hr
(d) 20 km/hr
(e) 25 km/hr

Q4. A shopkeeper in place of selling a article at 10% profit, mark up the article 30% above cost price and gives a discount of 10%. In this process he gets Rs. 56 more profit. Find the cost price of article.
(a) Rs. 400
(b) Rs. 1000
(c) Rs. 800
(d) Rs. 600
(e) Rs. 500

Q5. In how many ways the word ‘INTICINCO’ can be written so that ‘T’ always comes at end.
(a) 720
(b) 1680
(c) 5040
(d) 1024
(e) 210

Directions (6-10): What should come in place of question mark (?) in the following questions?

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Directions (11-15): The given table shows the data related to five students and the total number of movies watched by them during a period of ten years.
Total number of movies = Number of Hollywood movies + Number of Bollywood movies.

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Q11. What is average number of Bollywood movies watched by students A, B and D together?
(a) 132
(b) 138
(c) 142
(d) 144
(e) 146

Q12. The total number of Hollywood movies watched by student E is what percent more/less than the total number of movies watched by student B?
(a) 40%
(b) 45%
(c) 35%
(d) 30%
(e) 50%

Q13. The total number of Hollywood movies watched by students C and B together is how much more/less than the total number of Bollywood movies watched by student D & E together?
(a) 54
(b) 74
(c) 60
(d) 64
(e) 70

Q14. Find the ratio of total number of movies watched by student C & D together to the number of Bollywood movies watched by B, C and E together?
(a) 49 : 45
(b) 45 : 49
(c) 90 : 97
(d) 10 : 11
(e) 9 : 11

Q15. The average of total number of movies watched by B and D is what percent of the average of total number of movies watched by A and C.
(a) 125%
(b) 75%
(c) 80%
(d) 120%
(e) 100%

Solutions

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