70% respond badly: 20 + 30x0 + 1 =?

21

70% respond badly: 20 + 30x0 + 1 =?

21

D + A = 50 A + A + A = 120 D + C = 35 C = ?

25

ONLY FOR GENIUS: 10 + 10x0 + 20x1 + 5x0+ 3 ¿Can you solve this?

23

Only few can solve it: 11 x 11 = 4 22 x 22 = 16 33 x 33 =?

36 (1+1) x (1+1) = 4 (2+2) x (2+2) = 16 (3+3) x (3+3) = 36

This mathematical problem is killing the Internet. Can you solve this? 6 ÷ 2 (1 + 2) =?

9 6 ÷ 2 = 3, 1 + 2 = 3 3 (3) = 9

My age today is three times what it will be three years from now minus three times what my age was three years ago. How old am I?

18 years old

Mary is 3 years old, David is twice her age, when David will have 60 how old Mary will have?

57

Viral challenge 2 + 2 (2 + 2 x 0) + 2x0 = ? A) 8 B) 6 C) 2 D) 0

Option B) 2 + 2 x 2 = 2 + 4 = 6

At college, 70% of the students studied Maths, 75% studied English, 85% studied French and 80% studied German. What percentage at least must have studied all 4?

10% 70 75 85 + 80 310 ÷ 3 = 100 remainder 10

Only for genius: C + C + C = 30 C + O = 40 C + O + P = 60 P = ?

5

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

77x = 189x = 345x ¿Which is the value of x?

Zero, obviously