Quantitative Aptitude Quiz For ESIC- UDC, Steno, MTS Prelims 2022-22nd January

Q1. A and B can complete a work alone in 18 days and 24 days respectively. If B started work alone and after 3 days A also joined then in how many days whole work will be completed.
(a) 6 days
(b) 12 days
(c) 8 days
(d) 10 days
(e) 15 days

Q2. A sum on simple interest becomes 7/2 times of itself in ten years, find the rate of interest.
(a) 20%
(b) 16%
(c) 30%
(d) 25%
(e) 12%

Q3. A bag contains 5 blue balls and 7 red balls, if 2 balls are drawn at random. What is the probability that at least 1 ball is red.
(a) 28/33
(b) 17/66
(c) 23/33
(d) 47/66
(e) 72/67

Q4. A train P running with speed 54 kmph crosses a man in 30 sec. In how much time it can cross a 180 m long platform.
(a) 51 sec
(b) 45 sec
(c) 42 sec
(d) 39 sec
(e) 58 sec

Q5. The ratio of milk and water in a vessel is 5 : 8. If 6 liter of milk added in it ratio of milk to water becomes 7 : 8. Find the initial quantity of mixture in the vessel.
(a) 28 liter
(b) 39 liter
(c) 42 liter
(d) 24 liter
(e) 36 liter

Direction (6-10): Given below the table shows total number of room booked in five different hotels on five days of a week. Read the table carefully and answer the questions:

Q6. Total rooms booked in ‘Oberai’ on Tuesday & Thursday together is what percent less than total rooms booked in ‘Grand’ on Monday & Thursday?
(a)25%
(b)20%
(c)16%
(d)34%
(e)48%

Q7. Find difference between total number of rooms booked in ‘Oberai’, ‘Lodhi’ & ‘Taj’ on Monday together and total number of rooms booked in ‘Taj’ , ‘Grand’& ‘Eros’ on Thursday together?
(a)140
(b)210
(c)70
(d)110
(e)135

Q8. Find ratio between total rooms booked in ‘Eros’ on Wednesday & Thursday together to total rooms booked in ‘Lodhi’ on Thursday & Friday together?
(a)27: 26
(b)19: 17
(c)29: 32
(d)53 :49
(e)24: 23

Q9. Find sum of average numbers of room booked in ‘Eros’ on Monday, Wednesday & Friday and average number of rooms booked in ‘Grand’ on Monday & Friday?
(a)580
(b)380
(c)495
(d)460
(e)535