Chennai Petrochemical Corporation Limited Junior Nursing Assistant Paper 2019
Duration 120 minutes
No. of Questions – 120
A man deposited Rs. 400 for 2 years, Rs. 550 for 4 years and Rs. 1200 for 6 years for same rate of interest. He received Rs. 1020 as the total simple interest. The rate of interest per annum is –
(a) 8%
(b) 10%
(c) 15%
(d) 20%
A shopkeeper blends two varieties of tea costing Rs. 18 and Rs. 13 per kg in the ratio 7:3. He sells the blended variety at the ratio of Rs. 18.15 per kg. His percentage gain in the transaction is
(a) 4%
(b) 8%
(c) 10%
(d) 20%
Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10, 12 seconds respectively. In 30 minutes, how many times do they toll together?
(a) 4
(b) 10
(c) 15
(d) 16
A boy was asked to multiply a number by 12. By mistake he multiplied the number by 21 and got his answer 63 more than the correct answer. The number was
(a) 7
(b) 8
(c) 9
(d) 12
The average age of 24 boys and their teacher is 15 years. When the teacher’s age is excluded, the average age decreases by 1 year. The age of the teacher is
(a) 38
(b) 39
(c) 40
(d) 41
A man bought 5 shirts at Rs. 450 each, 4 trousers at Rs. 750 each and 12 pairs of shoes at Rs. 750 each. What is the average expenditure per article?
(a) Rs. 678.50
(b) Rs. 800
(c) Rs. 900
(d) Rs. 1000
A steamer goes downstream and covers the distance between ports in 4 hours while it covers the same distance upstream in 5 hours. If the speed of the stream be 2 km/hr, the speed of the steamer in still water is ?
(a) 16 km/hr
(b) 18 km/hr
(c) 24 km/hr
(d) 36 km/hr
A man and a boy complete a work together in 24 days. If for the last 6 days man alone does the work then it is completed in 26 days. How long the boy will take to complete the work alone?
(a) 72 days
(b) 20 days
(c) 24 days
(d) 36 days
The average of marks of 28 students in mathematics was 50. Eight students left the school and then this average increased by 5. What is the average of marks obtained by the students who left the school?
(a) 37.5
(b) 42.5
(c) 45
(d) 50.5
In an election between two candidates, 75% of the voters cast their votes, out of which 2% of the voters were declared invalid. A candidate got 9261 votes which were 75% of the total valid votes. The total numbers of voters enrolled in that election was
(a) 16000
(b) 16400
(c) 16800
(d) 18000
A,B and C invested Rs. 26000, Rs. 34000 and Rs. 10000 respectively in a business. At the end of the year, they earn a profit of Rs. 3500. B’s share of profit is
(a) Rs. 1200
(b) Rs. 1500
(c) Rs. 1700
(d) Rs. 1900
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