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Exam Details

CHEMICAL SCIENCE PART A (JUNE 2019) 2019

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Questions 20
Duration 180 mins
Package CSIR NET & SET - Previous Year Papers

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Difficulty distribution

Medium 12 60%
Hard 7 35%
Easy 1 5%

Question type distribution

Multiple Choices 20 100%

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Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2019 · Unclassified
CHEMICAL SCIENCE PART A (JUNE 2019) 2019
The number of digits you have to type to write all the page numbers of a book starting from 1 (first page) is 2019. What is the number of pages in that book ?
A
609
B
610
C
709
D
710
2
2019 · Unclassified
CHEMICAL SCIENCE PART A (JUNE 2019) 2019
A student received the following marks in the five of the six courses: 91, 86, 81, 79 and 92. Average of his marks in six subjects is 85. How many marks did he receive in the sixth subject ?
A
83
B
85
C
81
D
88
3
2019 · Unclassified
CHEMICAL SCIENCE PART A (JUNE 2019) 2019
Salesperson ‘A’ sells an object at a price Rs. 5 less than the marked price, receiving a commission of 5% on the selling price. The same object is sold by person ‘B’ at a price Rs. 15 less than the marked price, receiving a commission of 15% on the selling price. If both A and B receive the same amount in commission, then what is the marked price of the object ?
A
10
B
20
C
30
D
22.5
4
2019 · Unclassified
CHEMICAL SCIENCE PART A (JUNE 2019) 2019
A ball rotates at a rate r rotations per second and simultaneously revolves around a stationary point O at a R revolutions per second (R < r). The rotation and revolution are in the same sense. A certain point on the ball is in the line of the centre of the ball and point O at a certain time. This configuration repeats after a time
A
B
C
D
5
2019 · Unclassified
CHEMICAL SCIENCE PART A (JUNE 2019) 2019
There are two examinations, A and B in a subject which are evaluated out of 30 and 70 marks, respectively. In order to pass the course the student has to at least 40% in total and at least 40% in B. The following are the marks of the students S1 to S4.
The only student/s to have passed is/are
A
S1, S3
B
S1, S2, S4
C
S1, S2
D
S1
6
2019 · Unclassified
CHEMICAL SCIENCE PART A (JUNE 2019) 2019
Two forest patches have, respectively, 100 and 200 teak trees of the same age. In a given season, all trees shed some of their leaves at random. The daily total collections of the leaf litter from the two patches are expected to have
A
Nearly equal means, standard deviations and coefficients of variation
B
Different means, nearly equal standard deviations and coefficients of variation
C
Different means, nearly equal standard deviation and different coefficients of variation
D
Different means and standard deviations but nearly equal coefficients of variation