Math

X?

100

2³*5=X

X=?

40

200

3X * 6X /2 =54

X=?

6

300

684556543⁵ * 99452532 /2 * 0= X

X=?

0

400

80x+64+87=391

X=?

3

500

X+5*150/2=400

X=?

X=25

Probability

100

what's the probability of dice gets an even number?

1/2 or 3/6

200

A box has 6 red balls, 9 yellow balls, 8 blue balls, 5 green balls, what's the probability to get red or yellow?

15/28

300

A bag has 7 red balls, 8 yellow balls, 10 blue balls, 5 green balls, 9 cyan balls, 4 purple balls what's the probability of a white ball?

0/39 = 0

volume

100

A cuboid of a box, h=8, w=5, l=6

what's the volume?

8*5*6=240

200

A cubic box height is 4cm, whats the volume of the box?

4³=64

300

A box volume is 60cm³, the box height is 5cm, length is 3cm, whats the weight?

w=4cm

500

The volume of a cylinder is 12pi,  If r=2, what's the height?

4pi*h= 12pi

h=3

surface area

100

what is the area of a circle with r=1?

pi

200

a square box height is 6cm, whats the surface area?

108 cm³

300

H=25 L=8 W=2

25*8+25*2+2*8=266

266*2=532

400

A cylinder with a radius of 1, a height of 2, what is the surface?

pi * 1*1 + 2pi*1*2= 5pi 

or 15.7