(b)
(c) 
(d)
(a) 4 (b) 1
(c) 2 (d) 3
(a) 6 cm (b)
8 cm
(c) 10 cm (d) 12.5 cm
where
and
are
both acute angles, then the value of 
is
(a) 18° (b) 24°
(c) 36° (d) 30°
the
value of 
is
(a) -1 (b)1
(c) 
(d)
equals
(a) 
(b)
(c) 
(d)
will
terminate after how many places of decimal?
(a) 1 (b)
2
(c) 3 (d) will not
terminate
then A
+ B is equal to
(a) Zero (b) 90°
(c) < 90° (d) > 90°
. The
median of the data is
(a) 20 (b) 35
(c) 70 (d) 
composite
number? Justify your answer.
be
the remainder on division of a polynomial p(x) by (2x+ 3)? Justify your answer.
show
that tan 
OR
If 
evaluate
and 
Prove
that 
and 
Prove
that 
| Daily income (in rupees) | 100-120 | 120-140 | 140-160 | 160-180 | 180-200 |
| Number of Workers | 12 | 14 | 8 | 6 | 10 |
| Marks obtained | 0-10 | 10-20 | 30-30 | 30-40 | 40-50 |
| Number of students | 6 | 10 | 12 | 32 | 20 |
is
irrational.
OR
Prove that 
is
irrational.
mark
is deducted for each wrong answer. Jayanti answered 120 questions and got 90
marks. How many questions did she answer correctly?
are
zeroes of the polynomial 
then
form a quadratic polynomial whose zeroes are 
and 
.
show
that 
and 
Prove
that 
and
are on
the same base BC and on opposite sides of BC and O is the point of intersection
of AD and BC.
Prove that
| Classes | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 |
| Frequency | 7 | 12 | 13 | 10 | 8 |
| Classes | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 |
| Frequency | 2 | 3 | 5 | 3 | p |
| Classes | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 | 80-90 | 90-100 |
| Frequency | 5 | 3 | 4 | 3 | 3 | 4 | 7 | 9 | 7 | 8 |
if
two of its zeroes are 
and
OR
Evaluate 
prove that 
(i) Find the solution of the equation from the graph.
(ii) Shade the triangular region formed by the lines and
the y-axis.
| Production yield in kg/hectare | 50-55 | 55-60 | 60-65 | 65-70 | 70-75 | 75-80 |
| Number of farms | 2 | 8 | 12 | 24 | 38 | 16 |
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