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Express the following numbers in standard form (i) 0.0000000000085
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|
1
|
2854
|
April 3, 2019
|
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Simplify : (i) 25 x t-4/5-3 x 10 x t-8 (tâ 0)
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1
|
3550
|
April 3, 2019
|
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Evaluate (i) {(1/3)-1 - (1/4)-1}-1
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1
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1257
|
April 3, 2019
|
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Find the value of m for which 5m + 5-3 = 55
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1
|
2686
|
April 3, 2019
|
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Evaluate (i) \frac 8-1 x 53/2-4
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1
|
2869
|
April 3, 2019
|
|
Find the value of : (i) (30 + 4-1) x 22
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1
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3520
|
April 3, 2019
|
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Simplify and express the result in power notation with positive exponent:
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1
|
2016
|
April 3, 2019
|
|
Evaluate : (i) 3-2
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|
1
|
277
|
April 3, 2019
|
|
Water is pouring into a cuboidal reservoir at the rate of 60 liters per minute
|
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1
|
533
|
April 3, 2019
|
|
If each edge of a cube is doubled, (i) how many times will its surface area increase?
|
|
1
|
529
|
April 3, 2019
|
|
A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m
|
|
1
|
1048
|
April 3, 2019
|
|
Find the height of the cylinder whose volume is 1.54 m3 and diameter of the base is 140 cm?
|
|
1
|
736
|
April 3, 2019
|
|
A cuboid is of dimensions 60 cm x 54 cm x 30 cm. How many small cubes with side 6 cm
|
|
1
|
1038
|
April 3, 2019
|
|
Find the height of a cuboid whose base area is 180 cm2 and volume is 900 cm3?
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|
1
|
1308
|
April 3, 2019
|
|
Diameter of cylinder A is 7 cm, and the height is 14 cm. Diameter of cylinder B is 14 cm
|
|
1
|
1010
|
April 3, 2019
|
|
Given a cylindrical tank, in which situation will you find surface area and in which situation volume. (a) To find how much it can hold
|
|
1
|
330
|
April 3, 2019
|
|
A company packages its milk powder in cylindrical container whose base has a diameter of 14 cm
|
|
1
|
761
|
April 2, 2019
|
|
A road roller takes 750 complete revolutions to move once over to level a road
|
|
1
|
1670
|
April 2, 2019
|
|
The lateral surface area of a hollow cylinder is 4224 cm2. It is cut along its
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|
1
|
678
|
April 2, 2019
|
|
A closed cylindrical tank of radius 7 m and height 3 m is made from a sheet of metal
|
|
1
|
534
|
April 2, 2019
|
|
Describe how the two figures at the right are alike and how they are different
|
|
1
|
793
|
April 2, 2019
|
|
Daniel is painting the walls and ceiling of a cuboidal hall with length, breadth and
|
|
1
|
524
|
April 2, 2019
|
|
Rukhsar painted the outside of the cabinet of measure 1 m x 2 m x 1.5 m
|
|
1
|
747
|
April 2, 2019
|
|
Find the side of a cube whose surface area is 600 cm2
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|
1
|
376
|
April 2, 2019
|
|
A suitcase of measures 80 cm x 48 cm x 24 cm is to be covered with a tarpaulin cloth
|
|
1
|
1430
|
April 2, 2019
|
|
There are two cuboidal boxes as shown in the adjoining figure. Which box requires
|
|
1
|
845
|
April 2, 2019
|
|
Diagram of the adjacent picture frame has outer dimensions = 24 cm x 28 cm
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|
1
|
4703
|
April 2, 2019
|
|
There is a pentagonal shaped park as shown in the figure. For finding its area Jyoti and Kavita divided it in two different ways
|
|
1
|
1838
|
April 2, 2019
|
|
Top surface of a raised platform is in the shape of a regular octagon as shown in the figure
|
|
1
|
535
|
April 2, 2019
|
|
Mohan wants to buy a trapezium shaped field. Its side along the
|
|
1
|
1063
|
April 2, 2019
|