10th Standard Syllabus & Materials
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TN 10th English Prose - 4 - The Attic Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Poem - 3 - I am Every Woman Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Prose - 3 - Empowered Women Navigating The World Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Supplementary - 2 - Zigzag Important Questions And Answers Study Material - QB365 Set A
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Published on: 04/12/2020
10th Standard Mathematics Statistics and Probability English Medium Free Online Test 1 Mark Questions 2020-2021
Download Tamil Nadu 10th Standard Maths question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Maths Test1.
If the co-efficient of variation and standard deviation of a data are 35% and 7.7 respectively then the mean is ___________
20
30
25
22
2.
If the standard deviation of a variable x is 4 and if = \(\frac { 3x+5 }{ 4 } \) , then the standard deviation of y is ___________
4
3.5
3
2.5
3.
If the smallest value and co-efficient of range a data are 25 and 0.5 respectively. Then the largest value is ___________
25
75
100
12.5
4.
5.
6.
IF the probability of the non-happening of a event is q, then the probability of happening of that event is
1-q
q
q/2
∝q
7.
8.
9.
If a letter is chosen at random from the English alphabets {a, b,...,z}, then the probability that the letter chosen precedes x
\(\frac{12}{13}\)
\(\frac{1}{13}\)
\(\frac{23}{26}\)
\(\frac{3}{26}\)
10.
The probability of getting a job for a person is \(\frac{x}{3}\). If the probability of not getting the job is \(\frac{2}{3}\) then the value of x is
2
1
3
1.5
11.
The probability a red marble selected at random from a jar containing p red, q blue and r green marbles is
\(\frac { q }{ p+q+r } \)
\(\frac { p }{ p+q+r } \)
\(\frac { p+q }{ p+q+r } \)
\(\frac { p+r }{ p+q+r } \)
12.
If the mean and coefficient of variation of a data are 4 and 87.5% then the standard deviation is
3.5
3
4.5
2.5
13.
The standard deviation of a data is 3. If each value is multiplied by 5 then the new variance is
3
15
5
225
14.
The mean of 100 observations is 40 and their standard deviation is 3. The sum of squares of all observations is
40000
160900
160000
30000
15.
The range of the data 8, 8, 8, 8, 8. . . 8 is
0
1
8
3
1.
(d)
22
2.
(c)
3
3.
(b)
75
4.
(b)
5.
(c)
6.
(a)
1-q
7.
(b)
8.
(d)
9.
(c)
\(\frac{23}{26}\)
10.
(b)
1
11.
(b)
\(\frac { p }{ p+q+r } \)
12.
(a)
3.5
13.
(d)
225
14.
(b)
160900
15.
(a)
0
10th Standard Syllabus & Materials
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
