9000085605
Level:
B
Find the product of all one-digit primes and round to nearest hundreds.
\(200\)
\(100\)
\(300\)
\(400\)
Fundamentals of Arithmetic
9000085606
Level:
B
Find the product of all divisors of \(12\)
and round to nearest hundreds.
\(1\: 700\)
\(1\: 200\)
\(600\)
\(100\)
9000085607
Level:
A
Given numbers \(8\: 175\)
and \(3\: 926\),
find the difference between the sum of these numbers rounded to the nearest tens and the sum of these numbers rounded to the nearest hundreds.
\(10\)
\(20\)
\(100\)
\(0\)
9000085608
Level:
A
Given numbers \(456\: 138\)
and \(321\: 814\),
find the difference between the sum of these numbers rounded to the nearest tens and the sum of these numbers rounded to the nearest hundreds.
\(50\)
\(100\)
\(1\: 000\)
\(0\)
9000085609
Level:
A
Given the number \(45\: 875\),
round this number to nearest thousands, nearest hundreds and subtract the results.
\(100\)
\(200\)
\(1\: 000\)
\(0\)
9000085610
Level:
A
Given the number \(82\: 361\),
round this number to nearest thousands, nearest hundreds and subtract the results.
\(400\)
\(300\)
\(200\)
\(100\)
9000085604
Level:
A
Find the sum of the three numbers obtained by rounding the number
\(2\: 013\) to the
nearest tens, hundreds and thousands.
\(6\: 010\)
\(6\: 000\)
\(6\: 020\)
\(6\: 030\)
9000084903
Level:
B
In the following list find the set which contains only prime numbers.
\(13,\ 131\)
\(1,\ 31,\ 211\)
\(289,\ 291\)
\(17,\ 169\)
\(51,\ 97\)
9000084904
Level:
B
From the following list find the number which has just three proper divisors.
\(49\)
\(21\)
\(75\)
\(100\)
\(250\)
9000084905
Level:
B
In the following list find the number such that the prime factorization of this
number contains just two different primes or powers of two different primes.
\(100\)
\(5\)
\(25\)
\(120\)
\(121\)