FREE GSAT Mathematics Questions and Answers
Which best explains why {2, 3, 5, 7, 11} are prime numbers?
Vysvětlení:
Prime numbers are defined as numbers greater than 1 that have only two factors: 1 and themselves. In the given set {2, 3, 5, 7, 11}, each number has only two factors, making them prime numbers.
Which number would come next in the sequence?
(1, 5, 25 ....)
Vysvětlení:
The pattern in the sequence appears to involve multiplying each number by 5. Let's continue this pattern:
1 * 5 = 5
5 * 5 = 25
25 * 5 = 125
So, the next number in the sequence would be 125.
Which represents five hundred and five thousand and five?
Vysvětlení:
Five hundred and five thousand and five"" can be represented as 505,005.
6 036 ÷ 6 = ______ :
Vysvětlení:
To find the result of dividing 6,036 by 6, simply perform the division: 6,036 ÷ 6 = 1,006. Therefore, the answer is 1,006.
Find the sum of 218, 1,149, and thirty-six.
Vysvětlení:
To find the sum of the given numbers, add them together: 218 + 1,149 + 36 = 1,403. This is the total sum of the numbers provided.
Multiply 975 by 6:
Vysvětlení:
To find the product of 975 and 6, multiply the two numbers together: 975 * 6 = 5,850. Therefore, the answer is 5,850.
Which is NOT a factor of 10?
Vysvětlení:
A factor of a number is a whole number that divides that number without leaving a remainder. In the case of 10:
1 divides 10 (10 ÷ 1 = 10)
2 divides 10 (10 ÷ 2 = 5)
5 divides 10 (10 ÷ 5 = 2)
However, 4 does not divide 10 evenly (10 ÷ 4 = 2 with a remainder of 2). Therefore, 4 is not a factor of 10.
Take 281 from 671:
Vysvětlení:
To find the result of subtracting 281 from 671, simply perform the subtraction: 671 - 281 = 390. Therefore, the answer is 390.
In 35 - 14 = 21, 21 represents __________.
Vysvětlení:
In a subtraction operation, the difference is the result obtained by subtracting one number (the subtrahend) from another number (the minuend). In this case, 21 is the difference obtained by subtracting 14 (the subtrahend) from 35 (the minuend).
The value of the 9 in 29 548 is:
Vysvětlení:
In the number 29,548, the digit 9 is in the ten-thousands place, which represents 9 thousands or 9 x 1,000. Therefore, the value of the 9 in 29,548 is 9 x 1,000.
Which set of numbers is ordered from greatest to smallest?
Vysvětlení:
In each set, the first digit of the first number is the largest. Comparing the first digits of the remaining numbers:
A. 118, 811, 181, 81 - No other number begins with 8, so 811 is the largest.
B. 181, 811, 118, 81 - 811 is the largest.
C. 811, 181, 118, 81 - 811 is the largest.
D. 811, 118, 181, 81 - 811 is the largest.
So, the correct answer is: 811, 181, 118, 81