Choose all of the following numbers that are prime: 15, 17, 19, 21.
Contribution of MCQ Academy (Page: 61)
Calculate the least common multiple (LCM) of 12 and 18.
Find the value of the digit 7 in the number 4,729.
Select all numbers that are multiples of 3 from the list: 10, 15, 18, 22, 27.
Find the sum of the digits of the number 5,087.
Round the number 246 to the nearest ten.
Which number is the greatest among the integers -3, -7, 0, -1
Convert the mixed number 3 2/5 to an improper fraction in simplest form.
Express the decimal 0.375 as a simplified fraction.
Find the highest common factor (HCF) of 84 and 126.
Calculate the least common multiple (LCM) of 12 and 18.
Select all prime numbers from the list: 21, 29, 31, 49.
Find the value of the digit 7 in the number 4,729.
In the arithmetic progression 5, 11, __, 23 find the missing term.
Simplify the fraction 18/24 to its lowest terms.
Round 7,648 to the nearest hundred.
Determine whether 9,384 is divisible by 3 and by 9.
Which number is greater: -3/4 or -5/8 Choose the correct option.
Express the repeating decimal 0.777… (0.) as a fraction in simplest form.
Which of the following numbers are prime: 15, 17, 19, 21 Select all that apply.
Calculate the least common multiple (LCM) of 9 and 12.
Find the greatest common divisor (GCD) of 84 and 126.