Question

Annual Examination 2020-2021
Subject - Maths
Marks 80
Class - 7
Section A
Q1
Tick the correct option-
a) Every negative number is less than
a 0
b 1
5
b) The additive inverse of is
5
12
7
7
b
C.
12
c) 5.4b = 0.0108, then bequals
a. 0.002
b 0.02
d) 20% of 700m is
a. 560 m
b
70m
C.
0.2
C
140m
e) 6) = 2
a. -64
b
1
64
C
5
Q2. Fill in the blanks :-
a) (1°+2 +3') is equal to
b) The circles are congruent if their
are equal
c) If two line segment have equal length, they are said to be
d) Area of triangle is
e) The region enclosed by a plane closed figure is called
Q3 True / False :-
a) Predecessor of 'O' is -1.
b) Zero is rational number
5
c) Product of x G) is
4
d) If two rectangles are congruent, their length and breadth are equal.
e) Amount = Principle + Profit.
Q4. Match the following:-
a) Circumference of circle
(xy)
b) (xP)
2 (Product of the diagonals)
c) area of rhombus
хра
d) хр хур
Base x height
e) Area of parallelogram
2πη
'Section - B'
1
a) Simplify the following (Any 1)
a. -13- [-3+ (-15) + (-7)]
b. [-(-77) - 66 - (-55)] +22
b) Simplify (-3)=G*)
1
1
23x35x8
c) Simplify and express in exponential form
27x36
d) Solve the equation x + (x + 2) = (x + 4) + 31
אבוה​

Answer 1

Step-by-step explanation:

5.4b = 0.0108 then b equals