Brain meta

If (-48) ÷ 6 = X, what is X?

• 8
• -8
• -6
• -12

What is 4 + 6 × (3 + 2) - 8 ÷ 2?

• 24

• 22

• 16

• 18

The LCM of 3, 5, and 6 is:

• 15
• 30
• 18
• 24

What is (-15) × (-8)?

• 15
• -8
• 120
• -120

What is 0.5²?

• 0.25
• 1.0
• 0.75
• 0.5

Convert 3/5 to a percentage.

• 50%
• 75%
• 30%
• 60%

The square root of 361 is:

• 19
• 21
• 17

• 18

Convert 1/3 to a decimal

• 0.356

• 0.131

• 0.333

• 0.4

A submarine is at -150 meters. It descends another 40 meters. What is its new depth?

• -190 meters
• -180 meters
• -160 meters
• -200 meters

What is 7³ ÷ 7²?

• 7
• 1

• 14
• 49