Which of the following are perfect squares: 289, 300, 256, 270.
Correct answer(s):
- 289
- 256
Topic
Number System
Practice related MCQ quizzes and improve step by step.
Quizzes in Number System
Select all numbers divisible by 3 from the list: 123, 254, 306, 410.
Correct answer(s):
- 123
- 306
Find the sum of all integers from 1 to 50 inclusive.
Correct answer(s):
- 1275
Convert the mixed number 3 2/5 to an improper fraction.
Correct answer(s):
- 17/5
Which fraction is greater: 7/12 or 5/8
Correct answer(s):
- 5/8
Find the value of the digit 7 in the number 4,729.
Correct answer(s):
- 700
Express 0.375 as a simplified fraction.
Correct answer(s):
- 3/8
Find the highest common factor (HCF) of 84 and 126.
Correct answer(s):
- 42
Find the least common multiple (LCM) of 12 and 18.
Correct answer(s):
- 36
Find the value of the digit 3 in the number 53,406.
Correct answer(s):
- 3,000
From the list 13, 15, 17, 21, select all composite numbers.
Correct answer(s):
- 15
- 21
Express the repeating decimal 0.3 (0.333…) as a fraction.
Correct answer(s):
- 1/3
Select all prime numbers from the list: 21, 29, 37, 49, 51.
Correct answer(s):
- 29
- 37
Convert the binary number 11010 to its decimal equivalent.
Correct answer(s):
- 26
Which of the following numbers is rational but not an integer
Correct answer(s):
- 2/3
Find the smallest positive integer x such that 3x + 1 is divisible by 7.
Correct answer(s):
- 2
Express the decimal 0.125 as a fraction in simplest form.
Correct answer(s):
- 1/8
Determine the highest common factor (HCF) or greatest common divisor (GCD) of 48 and 180.
Correct answer(s):
- 12
Find the least common multiple (LCM) of 36 and 84.
Correct answer(s):
- 252
Which of the following numbers is irrational: 22/7, sqrt(2), 0.125, 3/4.
Correct answer(s):
- sqrt(2)