Mensuration

What is the area of a rhombus if the lengths of the diagonals are 12cm and 14cm?

• 84cm
• 24cm^2
• 54cm
• 84cm^2

What is the perimeter of an iPad Pro if its length and breath are of measure 13cm and 6cm, And an iPad mini 4 of measure 9cm and 4cm.Which is greater and by how much?

• 42cm^2
• 18cm^2
• 8cm^2
• 9cm^2

Find the area of trapezium whose parallel sides are 20 cm and 18 cm long, and the distance between them is 15 cm.

• 225cm^2
• 275cm^2
• 285cm^2
• 315cm^2

 The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 867 sq m, then what is the breadth of the rectangular plot?(HINT:(3x)(x)=867sq.m)

• 8.5m
• 17m
• 34cm
• 51cm

 The radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 500 resolutions.

• 252 m
• 704m
• 352m
• 808m

The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?(Find the cube root of volumes of the cube)

• 27:121
• 9:11
• 81:121
• 729:1331

To Find CSA of a cylinder it is 2 X 3.14 X r X h X r X h

• True
• False

If the volume of a cube is 512cm^3,Find its TSA and multiply it by 8

• 60
• 64
• 98
• 52