Questions

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3941 P6.AP.TL.17090746

Level 2
The figure (not drawn to scale) is made of two concentric circles. AB is the radius of the bigger circle. AC is the radius of the smaller circle. AB is 35 cm while AC is 14 cm. Find the area of the shaded region. (Take π = ²²₇)

2 m

Attempt

3942 P5.AN.JM.17083164

Level 2
ABCD is a rhombus. ∠DCB = 45° and ∠ADE = 30°. Find ∠EDB.

2 m

Attempt

Rhombus Alternate angles

3943 P4.WN.JM.17102182

Level 2
Kumar paid $57 for some cupcakes. Each cupcake cost $3. He gave 5 cupcakes to his brother. How many cupcakes had Kumar left?

2 m

Attempt

W 4 operations Money

3944 P5.PA.JM.17083185

Level 3
The figure shown is a staircase made up of 1-cm cubes. What is the volume of the total number of cubes up to Step 20?

3 m

Attempt

Sum of consecutive Volume of cube

3945 P6.PA.JC.17111305

Level 3
Some patterns of shaded and unshaded small triangles is given. The unshaded triangles are those which have at least one side on the edge of the big triangle. All of the other small triangles are shaded. The table below shows numbers of small triangles.