is
divided by x + 2 is
(a) 52 (b) 53
(c) -52 (d) ? 53
(b)
(c) 
(d)
If
then
(a) 8 cm (b) 10
cm
(c) 
cm
(d) 9 cm
then
(a) 1 (b) 3
(c)
(d)
is
acute and 
then 
(a) 60° (b) 30°
(c) 90° (d) 45°
(a)
(b)
(c) 
(d)
Is
it correct to say that ratio of their areas is
?
Why?
If
PE = 4cm, QE = 
cm,
PF = 8cm and RF = 9cm, state whether EF || QR.
where
a and b are two distinct numbers such that ab > 0.
| Wages (in Rs.) | 200-300 | 300-400 | 400-500 | 500-600 | 600-700 |
| No. of laborers | 3 | 5 | 20 | 10 | 6 |
where
a is the assumed mean, a must be one of the mid. points of the classes.
Is the last statement true? Justify your answer.
is
irrational OR Show that 
is
irrational
and
,
find 
where
and 
are
both acute angles.
,
find the value of
and 
Prove
that 
is an
isosceles triangle.
| Marks: | 0-10 | 10-30 | 30-60 | 60-80 | 80-90 |
| No. of students: | 5 | 15 | 30 | 8 | 2 |
| Class: | 3-6 | 6-9 | 9-12 | 12-15 | 15-18 | 18-21 | 21-24 |
| No. of students: | 2 | 5 | 10 | 23 | 21 | 12 | 3 |
OR
Show that 
.
Prove that : AF2 + BD2 + CE2
== AE2 + CD2 + BF2.
and
in
the classes 20-40 and 60-80 are missing. Find the missing frequencies.
| Age (in years) | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 | Total |
| Number of people | 15 |
|
21 |
|
17 | 100 |
| Marks | Frequency |
| 0-100 100-200 200-300 300-400 400-500 500-600 600-700 700-800 800-900 900-100 | 2 5 9 12 17 20 15 9 7 4 |
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