Question 11 MarkThe sum of two consecutive odd numbers is always divisible by 4.AnswerTrue.View full question & answer→
Question 21 MarkIf two numbers are co-prime, at least one of them must be a prime number.AnswerFalse.Solution:It is not necessarily.View full question & answer→
Question 31 MarkIf a number is divisible by both 9 and 10, it must be divisible by 90.AnswerTrue.View full question & answer→
Question 41 MarkIf a number is divisible by 9, it must be divisible by 3.AnswerTrue.View full question & answer→
Question 51 MarkIf a number is divisible by 8, it must be divisible by 4.AnswerTrue.View full question & answer→
Question 61 MarkIf a number is divisible by 4, it must be divisible by 8.AnswerFalse.Solution:It is not necessarily that it must divide by 8.View full question & answer→
Question 71 MarkIf a number is divisible by 3, it must be divisible by 9.AnswerFalse.Solution:It is not necessarily that divide by 9.View full question & answer→
Question 81 MarkIf a number exactly divides the sum of two numbers, it must exactly divide the numbers separately.AnswerFalse.Solution:It is not necessarily.View full question & answer→
Question 91 MarkIf a number divides three numbers exactly, it must divide their sum exactly.AnswerTrue.View full question & answer→
Question 101 MarkA number is divisible by 18, if it is divisible by both 3 and 6.AnswerFalse.Solution: It must be divisible by 9 and 2 both.View full question & answer→