MEDIUM
9th ICSE
IMPORTANT
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The diagonal of a cube is given as 163 cm. Find its Surface area and Volume?

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Important Questions on Chapterwise Revision-(Stage 1)

HARD
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 29 - Chapterwise Revision-(Stage 1)>CHAPTERWISE REVISION>Q 169
The areas of 3 adjacent figures of a cuboid are x,y and z. If the volume is V, prove that V2=xyz.
HARD
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 29 - Chapterwise Revision-(Stage 1)>CHAPTERWISE REVISION>Q 170
Water flows into a tank, 150m long and 100m broad, through a pipe whose cross-section is 2dm by 1.5dm at the speed of 15 km per hour. In what time will the water be 3 m deep?
MEDIUM
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 29 - Chapterwise Revision-(Stage 1)>CHAPTERWISE REVISION>Q 171
A Cylindrical bucket holds 44.372 litre of water. The water is emptied into a regular tank 66 cm long and 28 cm wide. Find the height of water level in the tank.
HARD
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 29 - Chapterwise Revision-(Stage 1)>CHAPTERWISE REVISION>Q 172
The area of cross-section of a pipe is 10.4 cm2 and water is running through it at the rate of 54 km/h. If the pipe is always 60⁒full, find the volume of water, in litres, that flows through the pipe in 5 minutes ?
MEDIUM
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 29 - Chapterwise Revision-(Stage 1)>CHAPTERWISE REVISION>Q 173

Length of a room is twice its height and its breadth is 112 times its height. The cost of whitewashing the walls at the rate of 32 per sq.m is ₹3584. Finding the cost of tiling the floor of the room at 135 per sq.m.

EASY
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 29 - Chapterwise Revision-(Stage 1)>CHAPTERWISE REVISION>Q 174

The square on the diagonal of a cube has an area of 192 cm2. Calculate:

(i) the side of the cube

(ii) the total surface area of the cube

EASY
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 29 - Chapterwise Revision-(Stage 1)>CHAPTERWISE REVISION>Q 175
The volume of the cubical solid is 10638 cm3. If its dimensions are in the ratio 3:2:1, find the cost of polishing its total surface area at the rate of ₹2.50 per m2.
EASY
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 29 - Chapterwise Revision-(Stage 1)>CHAPTERWISE REVISION>Q 176
Squares, each of side 6 cm are cut off from the four corners of a sheet of tin measuring 42 cm by 30 cm. The remaining portion of the tin sheet is made into an open box by folding up the flaps. Find the capacity of the box formed.