Express 7/12 as a decimal (up to the repeating part) and identify whether it is terminating or repeating.
Correct answer(s):
- 0.5833... (repeating 3)
Subject
Arithmetic & Number System
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Quizzes in Arithmetic & Number System
If the prime factorization of n is 2^3 × 3^2 × 5, what is the number of positive divisors of n?
Correct answer(s):
- 24
Which of the following numbers is an irrational number
Correct answer(s):
- √3
Find all digits x (0–9) such that the three-digit number 2×4 is divisible by both 3 and 4.
Correct answer(s):
- 0
- 6
Express 0.36 repeating (0.36) as a fraction in simplest form.
Correct answer(s):
- 4/11
Select all prime numbers from the set: 91, 97, 143, 151.
Correct answer(s):
- 97
- 151
Find the least common multiple (LCM) of 84 and 90.
Correct answer(s):
- 1260
Find the greatest common divisor (GCD) of 792 and 660.
Correct answer(s):
- 132
Select the correct pair (HCF, LCM) for the numbers 8 and 12
Correct answer(s):
- (4, 24)
Calculate the value of (-5) × (-8) + (-3)
Correct answer(s):
- 37
Which decimal equals the fraction 7/9
Correct answer(s):
- 0.777...
Find 15 percent of 240
Correct answer(s):
- 36
Round the number 6,384 to the nearest hundred
Correct answer(s):
- 6,400
Express the fraction 7/25 as a decimal
Correct answer(s):
- 0.28
Select all numbers that are prime from the list: 29, 51, 97, 1
Correct answer(s):
- 29
- 97
Find the highest common factor (HCF) of 84 and 126
Correct answer(s):
- 42
Calculate the least common multiple (LCM) of 12 and 18
Correct answer(s):
- 36
Find the value of the digit 7 in the number 3,574,209
Correct answer(s):
- 70,000
Select all numbers that are factors of 360 from the list: 8, 9, 14, 15, 16.
Correct answer(s):
- 8
- 9
- 15
Calculate the value of 6 + 4 × (3^2 − 1) ÷ 2 using correct order of operations.
Correct answer(s):
- 22