1003034109
Level:
A
Give the result of \( 3+5-2\cdot3+\left(2^3-6\right):1\).
\( 4 \)
\( 20 \)
\( 14 \)
\( 2 \)
Elementary arithmetics
1003034105
Level:
A
Evaluate the expression \( 0.864:0.24 \).
\( 3.6 \)
\( 36 \)
\( 0.36 \)
\( 0.624 \)
1003034103
Level:
A
The result of subtraction \( 0.36-3.21 \) is:
\( -2.85 \)
\( 2.85 \)
\( 3.57 \)
\( 3.15 \)
1003034102
Level:
A
Evaluating the expression \( \frac27 \cdot 3 \) we get:
\( \frac67 \)
\( \frac57 \)
\( \frac6{21} \)
\( \frac2{21} \)
1003034101
Level:
A
Evaluating the expression \( \frac12 + \frac23 \) we get:
\( \frac76 \)
\( \frac35 \)
\( \frac7{12} \)
\( \frac36 \)
9000115605
Level:
B
Complete the following statement: „The number is divisible by six if and only if ...”
it is divisible by both two and three.
the sum of its digits is divisible by both two and three.
the sum of its digits is even and the last digit of this number is
\(3\).
the last digit of this number is \(6\).
9000115606
Level:
B
Complete the following statement: „The number is divisible by eight if and only if ...”
the number constituted from the last three digits is divisible by eight.
the sum of its digits is divisible by eight.
it is divisible by both two and four.
the number constituted from the last two digits is divisible by eight.
9000115607
Level:
B
Complete the following statement: „The number is divisible by nine if and only if ...”
the sum of its digits is divisible by nine.
the number constituted from the last two digits is divisible by nine.
the sum of its digits is odd.
the last digit of this number is \(9\).
9000115608
Level:
B
Complete the following statement: „The number is divisible by ten if and only if ...”
the last digit of this number is \(0\).
the sum of its digits is divisible by ten.
the number constituted from the last two digits is divisible by five.
the last digit of this number is even.
9000115610
Level:
B
Complete the following statement: „A number is divisible by fifteen if and only if ...”
it is divisible by both three and five.
the sum of its digits is divisible by both three and five.
the sum of its digits is odd and divisible by five.
the last digit of this number is either \(5\)
or \(0\).