Padasalai Net 10th Maths Em Centum Coaching Team Question Paper 6g2n4
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Padasalai.Net’s Special – Centum Coaching Team Question Paper 2017-2018 SSLC Standard : X
Max.Mark : 100
Mathematics
Time
: 2.30 hrs.
Section – A Note: (i) Answer all the 15 questions.
15 × 1 = 15
1.
2.
If a, b, c are in G.P, then is equal to (A) a/b (B) b/a
(C) b/c
(D) c/b
3.
4.
The common root of the equations x2- bx+ c= 0 and x2+ bx- a= 0 is (A) (B) (C) (D)
5.
6.
If
=
, then the value of a is
7.
(A) 8 (B) 4 (C) 2 (D) 11 If the points (2, 5), (4, 6) and (a, a) are collinear, then the value of a is equal to (A) -8 (B) 4 (C) -4 (D) 8
8. 9.
A point P is 26 cm away from the centre O of a circle and PT is the tangent drawn from P to the circle is 10 cm, then OT is equal to (A) 36 cm (B) 20 cm (C) 18 cm (D) 24 cm
10.
11. 12.
13.
cos4 x- sin 4x = (A) 2sin 2x -1 (B) 2cos 2x -1 (1 + cot2 )(1+cos )(1-cos ) = (A) tan2 -sec2 (B) sin2 - cos2
(C) 1 + 2sin 2x
(D) 1 -2cos2 x.
(C) sec2 - tan2
(D) cos2 - sin2 .
The ratios of the respective heights and the respective radii of two cylinders are 1:2 and 2:1 respectively. Then their respective volumes are in the ratio (A) 4 : 1 (B) 1 : 4 (C) 2 : 1 (D) 1 : 2
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15.
Section – B II.Answer any 10 questions and question No. 30 is compulsory
10 x 2 = 20
16. 17.
Define bijective function.
18.
If the quotient on dividing, 8x4- 2x2+ 6x- 7 by 2x + 1 is 4x3+ px2- qx+ 3 , then find p , q and also the remainder. Solve 24 - 10x = 3 - 4x, 3 - 4x > 0
19.
20.
21.
22.
Find the equation of the straight line which es through the midpoint of the line segment ing (4, 2) and (3, 1) whose angle of inclination is 300 .
23. 24. 25.
The angle of elevation of the top of a tower as seen by an observer is 300. The observer is at a distance of 30√3 m from the tower. If the eye level of the observer is 1.5 m above the ground level, then find the height of the tower.
26. 27.
Radius and slant height of a cone are in the ratio 3 : 5. If the curved surface area is 60π sq.cm, then find its total surface area. 28. Base area and volume of a right circular cylinder are 13.86 sq.cm, and 69.3 cu.cm respectively. Find its height and curved surface area.( Take π= 22/7 ). 29. Calculate the standard deviation of the first 15 natural numbers. 30. a). Two dice are rolled and the product of the outcomes (numbers) are found. What is the probability that the product so found is a prime number? ( OR ) b). The number of bacteria in a certain culture doubles every hour. If there were 30 bacteria present in the culture initially, how many bacteria will be present at the end of 14th hour? Section – C
9 x 5 = 45
III. Answer any 9 questions and question No. 45 is compulsory http://www.trbtnpsc.com/2014/10/how-to-get-centum-in-12th-and-10th.html
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31.
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Use Venn diagrams to De Morgan’s law for set difference A \ (B ∩ C) =(A \ B) U (A \ C).
32.
33. 34.
35.
If α and β are the roots of the equation 3x 2 - 6x+ 1 = 0, form an equation whose α2β and β2α.
36.
37.
Solve
= 0.
38.
39.
40. 41.
If all sides of a parallelogram touch a circle, show that the parallelogram is a rhombus.
42.
43.
http://www.trbtnpsc.com/2014/10/how-to-get-centum-in-12th-and-10th.html
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www.TrbTnpsc.com
44.
45.
a). Prove the identity
=
( OR )
b).
Section – D 2 x10 = 20 IV. Answer both the questions 46.a). Construct a ABC such that AB = 6 cm, ∟C = 400 and the altitude from C to AB is of length 4.2 cm. ( OR ) b). 47.a). Draw the graph of y= 2x2 and hence solve 2x 2 + x- 6= 0.
( OR )
b).
X-+
God bless you
+-X
Send your Answer scripts to the following address;
Mr. SOOSAINAYAKAM.S , 1Oth CO-ORDINATOR, KONGUNADU MAT.HR.SEC.SCHOOL, VELAGOUNDAMPATTY, NAMAKKAL DISTRICT. - 637212. Mob.No. 9443682105
http://www.trbtnpsc.com/2014/10/how-to-get-centum-in-12th-and-10th.html
www.Padasalai.Net
www.TrbTnpsc.com
Padasalai.Net’s Centum Coaching Team ? 1. Click Here & Enter Your Details (Students Only) 2. , . 3.
A4 Size (Or) Legal Size
. “
”
. 4.
”
”
, . 5. .
.
6.
(Return Cover) .
3
7.
”
”
. Click Here for Complaint Box! 8.
Slow Learners
, ,
, ,
.
-
Mr. SOOSAINAYAKAM.S , 1Oth CO-ORDINATOR, KONGUNADU MAT.HR.SEC.SCHOOL, VELAGOUNDAMPATTY, NAMAKKAL DISTRICT. - 637212. NO: 9443682105 If any doubt, Please our Padasalai’s Centum Coaching Team Co-ordinator:
Mr. S. Ravi kumar, B.Sc., B.Ed., Heaster., GHS, PasmarPenta,, Vellore Dt: CellNo: 9994453649
Useful Links: 1.
All Other Subject Question Papers - Click Here
2.
Centum Coaching Team Instructions - Click Here
3.
Centum Coaching Team Teacher's Registration Form - Click Here
4.
Centum Coaching Team Student's Registration Form - Click Here
http://www.trbtnpsc.com/2014/10/how-to-get-centum-in-12th-and-10th.html
www.TrbTnpsc.com
Padasalai.Net’s Special – Centum Coaching Team Question Paper 2017-2018 SSLC Standard : X
Max.Mark : 100
Mathematics
Time
: 2.30 hrs.
Section – A Note: (i) Answer all the 15 questions.
15 × 1 = 15
1.
2.
If a, b, c are in G.P, then is equal to (A) a/b (B) b/a
(C) b/c
(D) c/b
3.
4.
The common root of the equations x2- bx+ c= 0 and x2+ bx- a= 0 is (A) (B) (C) (D)
5.
6.
If
=
, then the value of a is
7.
(A) 8 (B) 4 (C) 2 (D) 11 If the points (2, 5), (4, 6) and (a, a) are collinear, then the value of a is equal to (A) -8 (B) 4 (C) -4 (D) 8
8. 9.
A point P is 26 cm away from the centre O of a circle and PT is the tangent drawn from P to the circle is 10 cm, then OT is equal to (A) 36 cm (B) 20 cm (C) 18 cm (D) 24 cm
10.
11. 12.
13.
cos4 x- sin 4x = (A) 2sin 2x -1 (B) 2cos 2x -1 (1 + cot2 )(1+cos )(1-cos ) = (A) tan2 -sec2 (B) sin2 - cos2
(C) 1 + 2sin 2x
(D) 1 -2cos2 x.
(C) sec2 - tan2
(D) cos2 - sin2 .
The ratios of the respective heights and the respective radii of two cylinders are 1:2 and 2:1 respectively. Then their respective volumes are in the ratio (A) 4 : 1 (B) 1 : 4 (C) 2 : 1 (D) 1 : 2
14. http://www.trbtnpsc.com/2014/10/how-to-get-centum-in-12th-and-10th.html
www.Padasalai.Net
www.TrbTnpsc.com
15.
Section – B II.Answer any 10 questions and question No. 30 is compulsory
10 x 2 = 20
16. 17.
Define bijective function.
18.
If the quotient on dividing, 8x4- 2x2+ 6x- 7 by 2x + 1 is 4x3+ px2- qx+ 3 , then find p , q and also the remainder. Solve 24 - 10x = 3 - 4x, 3 - 4x > 0
19.
20.
21.
22.
Find the equation of the straight line which es through the midpoint of the line segment ing (4, 2) and (3, 1) whose angle of inclination is 300 .
23. 24. 25.
The angle of elevation of the top of a tower as seen by an observer is 300. The observer is at a distance of 30√3 m from the tower. If the eye level of the observer is 1.5 m above the ground level, then find the height of the tower.
26. 27.
Radius and slant height of a cone are in the ratio 3 : 5. If the curved surface area is 60π sq.cm, then find its total surface area. 28. Base area and volume of a right circular cylinder are 13.86 sq.cm, and 69.3 cu.cm respectively. Find its height and curved surface area.( Take π= 22/7 ). 29. Calculate the standard deviation of the first 15 natural numbers. 30. a). Two dice are rolled and the product of the outcomes (numbers) are found. What is the probability that the product so found is a prime number? ( OR ) b). The number of bacteria in a certain culture doubles every hour. If there were 30 bacteria present in the culture initially, how many bacteria will be present at the end of 14th hour? Section – C
9 x 5 = 45
III. Answer any 9 questions and question No. 45 is compulsory http://www.trbtnpsc.com/2014/10/how-to-get-centum-in-12th-and-10th.html
www.Padasalai.Net
31.
www.TrbTnpsc.com
Use Venn diagrams to De Morgan’s law for set difference A \ (B ∩ C) =(A \ B) U (A \ C).
32.
33. 34.
35.
If α and β are the roots of the equation 3x 2 - 6x+ 1 = 0, form an equation whose α2β and β2α.
36.
37.
Solve
= 0.
38.
39.
40. 41.
If all sides of a parallelogram touch a circle, show that the parallelogram is a rhombus.
42.
43.
http://www.trbtnpsc.com/2014/10/how-to-get-centum-in-12th-and-10th.html
www.Padasalai.Net
www.TrbTnpsc.com
44.
45.
a). Prove the identity
=
( OR )
b).
Section – D 2 x10 = 20 IV. Answer both the questions 46.a). Construct a ABC such that AB = 6 cm, ∟C = 400 and the altitude from C to AB is of length 4.2 cm. ( OR ) b). 47.a). Draw the graph of y= 2x2 and hence solve 2x 2 + x- 6= 0.
( OR )
b).
X-+
God bless you
+-X
Send your Answer scripts to the following address;
Mr. SOOSAINAYAKAM.S , 1Oth CO-ORDINATOR, KONGUNADU MAT.HR.SEC.SCHOOL, VELAGOUNDAMPATTY, NAMAKKAL DISTRICT. - 637212. Mob.No. 9443682105
http://www.trbtnpsc.com/2014/10/how-to-get-centum-in-12th-and-10th.html
www.Padasalai.Net
www.TrbTnpsc.com
Padasalai.Net’s Centum Coaching Team ? 1. Click Here & Enter Your Details (Students Only) 2. , . 3.
A4 Size (Or) Legal Size
. “
”
. 4.
”
”
, . 5. .
.
6.
(Return Cover) .
3
7.
”
”
. Click Here for Complaint Box! 8.
Slow Learners
, ,
, ,
.
-
Mr. SOOSAINAYAKAM.S , 1Oth CO-ORDINATOR, KONGUNADU MAT.HR.SEC.SCHOOL, VELAGOUNDAMPATTY, NAMAKKAL DISTRICT. - 637212. NO: 9443682105 If any doubt, Please our Padasalai’s Centum Coaching Team Co-ordinator:
Mr. S. Ravi kumar, B.Sc., B.Ed., Heaster., GHS, PasmarPenta,, Vellore Dt: CellNo: 9994453649
Useful Links: 1.
All Other Subject Question Papers - Click Here
2.
Centum Coaching Team Instructions - Click Here
3.
Centum Coaching Team Teacher's Registration Form - Click Here
4.
Centum Coaching Team Student's Registration Form - Click Here
http://www.trbtnpsc.com/2014/10/how-to-get-centum-in-12th-and-10th.html
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