09.03
Class_X_Maths_20_...
VIDYA NIKETAN
First Terminal Examination 2020-2021
Cass-
FM: 80
Subject: Mathematics ( Written)
Time 2.30 hours
SECTION -A 40 Marks ]
(Attempt all questions from this section)
Question-01
و به تی
a²46² ab ad-bc
a) #a.b.c.d are in proportion, prove that
131
bc+cd-ad
by Sonia deposited 500 every month in a cumulative deposite account for 2 years. If the
bank Days interest at the rate of 7% per annum, then find the amount of maturity. 131
WA=
- 1 and B = ] find x and y when A2 = B ,
Question-02:
a) Solve the equation x2 4 77 = 7 and give your answer correct to two decimal places. [3]
b) Evaluate without using trigonometric tables,
sin? 28° sin? 62° + tanº 38° - cot? 52° + 4 cos? 30°
131
D
c) in the adjoining figure , ABC is a triangle. De is
AD
parallel to BC and
2
AD DE
i Determine the ratio
ec
Prove that ADEF ACBE
EF
rence, find
[4]
Question-03:
a) The manis df 10 students of a dass in an examination arranged in ascending order is as
follows: 13,35,43,46,2,4+ 4,55,61,71,80
If the median marks is 42 find the value of x Hence find the mode of the given data. (3)
b) Prove that sec A-tan' A = 1 + 2 tan' A .
[3]
g Curved surface area of a cone is 308 cm? and its slant height is 14 cm. Find the radius
of the base and the total surface area of the cone.
(4)
Ouestion-04
a) A card is drawn from a well-shuffled pack of 52 cards. Find the probability of getting
Non-face card of black colour
Neither a heart nor a red king
A king or a queen
131
b) Find the values of k for which the following quadratic equation has equal roots
9' kx + 1 = 0
g What number chould be subtracted from 2x - 5x4 + 5x so that the resul
polynomial has 2x - 3 as a factor?
SECTION - ( 40 Marks)
O
III
Answers
Answer:
Explanation:
v09.03
Class_X_Maths_20_...
VIDYA NIKETAN
First Terminal Examination 2020-2021
Cass-
FM: 80
Subject: Mathematics ( Written)
Time 2.30 hours
SECTION -A 40 Marks ]
(Attempt all questions from this section)
Question-01
و به تی
a²46² ab ad-bc
a) #a.b.c.d are in proportion, prove that
131
bc+cd-ad
by Sonia deposited 500 every month in a cumulative deposite account for 2 years. If the
bank Days interest at the rate of 7% per annum, then find the amount of maturity. 131
WA=
- 1 and B = ] find x and y when A2 = B ,
Question-02:
a) Solve the equation x2 4 77 = 7 and give your answer correct to two decimal places. [3]
b) Evaluate without using trigonometric tables,
sin? 28° sin? 62° + tanº 38° - cot? 52° + 4 cos? 30°
131
D
c) in the adjoining figure , ABC is a triangle. De is
AD
parallel to BC and
2
AD DE
i Determine the ratio
ec
Prove that ADEF ACBE
EF
rence, find
[4]
Question-03:
a) The manis df 10 students of a dass in an examination arranged in ascending order is as
follows: 13,35,43,46,2,4+ 4,55,61,71,80
If the median marks is 42 find the value of x Hence find the mode of the given data. (3)
b) Prove that sec A-tan' A = 1 + 2 tan' A .
[3]
g Curved surface area of a cone is 308 cm? and its slant height is 14 cm. Find the radius
of the base and the total surface area of the cone.
(4)
Ouestion-04
a) A card is drawn from a well-shuffled pack of 52 cards. Find the probability of getting
Non-face card of black colour
Neither a heart nor a red king
A king or a queen
131
b) Find the values of k for which the following quadratic equation has equal roots
9' kx + 1 = 0
g What number chould be subtracted from 2x - 5x4 + 5x so that the resul
polynomial has 2x - 3 as a factor?
SECTION - ( 40 Marks)
O
III
Answer:
Explanation:
09.03
Class_X_Maths_20_...
VIDYA NIKETAN
First Terminal Examination 2020-2021
Cass-
FM: 80
Subject: Mathematics ( Written)
Time 2.30 hours
SECTION -A 40 Marks ]
(Attempt all questions from this section)
Question-01
و به تی
a²46² ab ad-bc
a) #a.b.c.d are in proportion, prove that
131
bc+cd-ad
by Sonia deposited 500 every month in a cumulative deposite account for 2 years. If the
bank Days interest at the rate of 7% per annum, then find the amount of maturity. 131
WA=
- 1 and B = ] find x and y when A2 = B ,
Question-02:
a) Solve the equation x2 4 77 = 7 and give your answer correct to two decimal places. [3]
b) Evaluate without using trigonometric tables,
sin? 28° sin? 62° + tanº 38° - cot? 52° + 4 cos? 30°
131
D
c) in the adjoining figure , ABC is a triangle. De is
AD
parallel to BC and
2
AD DE
i Determine the ratio
ec
Prove that ADEF ACBE
EF
rence, find
[4]
Question-03:
a) The manis df 10 students of a dass in an examination arranged in ascending order is as
follows: 13,35,43,46,2,4+ 4,55,61,71,80
If the median marks is 42 find the value of x Hence find the mode of the given data. (3)
b) Prove that sec A-tan' A = 1 + 2 tan' A .
[3]
g Curved surface area of a cone is 308 cm? and its slant height is 14 cm. Find the radius
of the base and the total surface area of the cone.
(4)
Ouestion-04
a) A card is drawn from a well-shuffled pack of 52 cards. Find the probability of getting
Non-face card of black colour
Neither a heart nor a red king
A king or a queen
131
b) Find the values of k for which the following quadratic equation has equal roots
9' kx + 1 = 0
g What number chould be subtracted from 2x - 5x4 + 5x so that the resul
polynomial has 2x - 3 as a factor?
SECTION - ( 40 Marks)
O
III
Answer:
Explanation: