Reduce the fraction 12/84 to lowest terms.
Correct answer(s):
- 1/7
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What is the remainder when 9616 is divided by 9?
Correct answer(s):
- 4
Evaluate 144^2 − 66^2 using an arithmetic identity.
Correct answer(s):
- 16380
Find the sum of the arithmetic sequence 37, 43, 49, …, 187.
Correct answer(s):
- 2912
What is the units digit of 8^277?
Correct answer(s):
- 8
Find the number of positive divisors of 300.
Correct answer(s):
- 18
Find the remainder when 8^184 is divided by 17.
Correct answer(s):
- 1
Find the LCM of 41, 40, and 12.
Correct answer(s):
- 4920
Determine the GCD of 411 and 266 without using prime factor tables.
Correct answer(s):
- 1
Find 40% of 286.
Correct answer(s):
- 572/5
Reduce the fraction 20/60 to lowest terms.
Correct answer(s):
- 1/3
What is the remainder when 4771 is divided by 4?
Correct answer(s):
- 3
Evaluate 48^2 − 78^2 using an arithmetic identity.
Correct answer(s):
- -3780
Find the sum of the arithmetic sequence 56, 59, 62, …, 116.
Correct answer(s):
- 1806
How many integers from 1 to 42 are coprime to 42?
Correct answer(s):
- 12
What is the units digit of 12^291?
Correct answer(s):
- 8
Find the number of positive divisors of 168.
Correct answer(s):
- 16
Find the remainder when 15^65 is divided by 29.
Correct answer(s):
- 26
Find the LCM of 35, 32, and 26.
Correct answer(s):
- 14560
Determine the GCD of 85 and 358 without using prime factor tables.
Correct answer(s):
- 1