mental math make your mind confuse

what is the place value of 4 in the number bellow

234

• 2

• 4

• 4*1

• 4*100

• 3

what is the three times multiple of six

• 60

• 12

• 16

• 18

add 155+55=

• 200

• 15555

• 300

• 255

what is the face value of 7 in the number bellow

4474

solve 2500/50

• 25*2

• 2

• 10

• 30

what 200/5*2+7-1=

• 86*1

• 112

• 30*7

• 200

what is thirteen+thirty

• 98

• 00

• 43

• 22

what is 10000000*9

• 90000000

• 2222

• 900000

• 100000000000000000000

if there are 7 boxes in each box there are 9 pens are there so how many pencils are totally there

• 63

• 55

• 90

• 11

if there are 90 students in 3 classes the how many students are in 1 class

• 30

• 20

• 90

• 2