Questions & Answers: "HCF and LCM"
Complete guide to "HCF and LCM" for Math students. Below you will find important questions and model answers to help you prepare.
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7 QuestionsWhat is the sum of all the divisors of 90?
Options
233
228
204
234
Double of the common factors of two co-prime numbers is _______.
Options
Smaller of the two co-prime numbers.
Greater of the two co-prime numbers.
1
2
Select the correct statement.
Options
Smallest divisor of 15 is 3.
Only three divisors of 18 are even numbers.
Any prime number has more than 2 divisors.
Number of divisors is unlimited.
Which of the following number is not divisible by 17?
Options
217
272
153
459
A number is divided by 25 to get quotient 26 and remainder 2 if the same number is divided by 30 then what is the quotient and remainder respectively?
Options
21, 22
25, 7
25, 4
22, 8
By how much more or less is the number of divisors of 60 to that of the divisors of 75?
Options
more by 6
less by 6
more by 4
less by 4
Find the largest 5-digit number which is completely divisible by 8 using digits 5, 0, 4, 8 and 6 only once.
Options
86504
86540
80456
65408