The ratio between length and breadth of
a rectangular plot is 5 : 3 respectively and its perimeter is 48 metres. What
will be its area in sq. metres?
A)120
B)116
C)115
D)None of these
Answer:
D
2)
If the length of a rectangle is
increased by 20% and the breadth is decreased by 10%, what will be the effect
on its area?
A)8% increase
B)8% decrease
C)2% increase
D)2% decrease
Answer:
A
3)
What will be the cost of laying a carpet
@ Rs. 525 per square metre in the hall
whose dimensions are 13 metres ´ 9 metres?
A)Rs. 60, 425
B)Rs. 60, 225
C)Rs. 61, 225
D)None of these
Answer:
D
4)
What is the area of a circle whose
diameter is 28 cm?
A)606 sq.cm.
B) 626
sq.cm.
C)1232 sq.cm.
D)None of these
Answer:
D
5) The ratio of the length and breadth of
rectangular plot is 4 : 3 respectively. The perimeter of the plot is 28 metres.
What is the length of the plot in metres?