TIME DURATION PER ONE QUESTION

30

Two dice were rolled simultaneously, what is the probability of obtaining same face?
1/2
1/6
5/6
1/36

TIME DURATION PER ONE QUESTION

30

HOW MANY NUMBERS ARE THERE BETWEEN 256 AND 789 EXACTLY DIVISIBLE BY 7?
58
63
73
85

TIME DURATION PER ONE QUESTION

30

7!= ?
720
5040
40320
4032

TIME DURATION PER ONE QUESTION

30

i.(j X k)
0
1
-1
-i