A cube of side 5 cm is painted on all its faces. If it is sliced into 1
cubic centimetre cubes, how many 1 cubic centimetre cubes will
have exactly one of their faces painted?
(a) 27 (b) 42 (c) 54 (d) 142
Find the area of polygon ABCDEF, if AD = 18cm, AQ =
14 cm, AP = 12 cm, AN = 8 cm, AM = 4 cm, and FM, EP,
QC and BN are perpendiculars to diagonal AD.
The parallel sides of a trapezium are 40 cm and 20 cm. If
its non-parallel sides are both equal, each being 26 cm,
find the area of the trapezium
The parallel sides of a trapezium are 40 cm and 20 cm. If
its non-parallel sides are both equal, each being 26 cm,
find the area of the trapezium
In question, state whether the statement are true (T) or false (F).
Amount of region occupied by a solid is called its surface area.
What will be the change in the volume of a cube when its
side becomes 10 times the original side?
(a) Volume becomes 1000 times.
(b) Volume becomes 10 times.
(c) Volume becomes 100 times.
(d) Volume becomes 1/1000 times.
The students of Anju’s class sold posters to raise money. Anju wanted
to create a ratio for finding the amount of money her class would
make for different numbers of posters sold. She knew they could
raise Rs 250 for every 60 posters sold.
(a) How much money would Anju’s class make for selling 102
posters?
(b) Could Anju’s class raise exactly Rs 2,000? If so, how many
posters would they need to sell? If not, why?
Kusum always forgets how to convert miles to kilometres and back
again. However she remembers that her car’s speedometer shows
both miles and kilometres. She knows that travelling 50 miles per
hour is same as travelling 80 kilometres per hour. To cover a distance
of 200 km, how many miles Kusum would have to go?
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