YASH CLASSES
NUMBER SYSTEM
[ IX]
1. Find
the rational number between
a. 2 and
-5 ( any
three)
b. -3/2 and
-5/3 ( any two)
c. .
1/2 and -8
( any seven)
d.
3/8 and -9/2
( any five)
e. 1/7 and
9/5 ( any
three)
2.Write
the following numbers as decimal from
a.
15/7 b. 9/51
c. 14/8 d.
52/ 3 e. 81/ 17
3.
Express each of
the following
from
to p/q
a.
0.1
b. 12.
0.1
c. 25. 50
d.
0.00
e.
783.904
f. 1010.
g. 0.
4. Prove
that a.
b.
c.
d.
– 5
e.
+ 1 f.
+ 12 g.
+ 3
is
a irrational number .
5. Represent
a.
b.
c.
d.
e.
g.
h.
i.
on
the number line .
6. Visualize a. 2.551
b. 5.221 c .825.14
d. 9.0021 e. 05820.5711 f. 520.178
g.12.02
on
the number line .
7. Evaluate
a. 52 X 55 b.
152 X 157 c . 5-58
X 5-8 .
d.
22 X 2-92 e. 52/9 X 51/2 f. 92/3 X 95/9 g.
82/10 X 812/5
h. 52 ÷ 55 i.
32 ÷ 3-5 j. 7-58 ÷ 7-12 k . 8-21 ÷ 81/12 .
L.1-2/13 ÷ 111/12 m.
8-21 ÷ 81/12 n. 7-2/11 ÷ 715/12 .