Using divisibility tests, determine which of the following numbers are divisible by 2 ; by 3 ; by 4 ; by 5 ; by 6 ; by 8 ; by 9 ; by 10 ; by 11 (say, yes or no): "

To do:

Using divisibility tests, we have to determine which of the given numbers are divisible by 2 ; by 3 ; by 4 ; by 5 ; by 6 ; by 8 ; by 9 ; by 10 ; by 11.

Solution:

Numbers 2 3 4 5 6 8 9 10 11 128 Yes No Yes No No Yes No No No 990 Yes Yes No Yes Yes No Yes Yes Yes 1586 Yes No No No No No No No No 275 No No NO Yes No No No No Yes 6686 Yes No No No No No No No No 639210 Yes Yes No Yes Yes No No Yes Yes 429714 Yes Yes No No Yes No Yes No No 2856 Yes Yes Yes No Yes Yes No No No 3060 Yes Yes Yes Yes Yes No Yes Yes No 406839 No Yes No No No No No No No

Related Articles Using pisibility tests, determine which of the following numbers are divisible by $2$; by $3$; by $4$; by $5$; by $6$; by $8$; by $9;$ by $10$; by $11$ $(say,\ yes\ or\ no):"\n
Using divisibility tests, determine which of the following numbers are divisible by 4 and by 8.(a) 572 (b) 726352
Using divisibility tests, determine whether the following number is divisible by 4 and by 8.2150
Multiply:(i) \( \frac{7}{11} \) by \( \frac{5}{4} \)(ii) \( \frac{5}{7} \) by \( \frac{-3}{4} \)(iii) \( \frac{-2}{9} \) by \( \frac{5}{11} \)(iv) \( \frac{-3}{17} \) by \( \frac{-5}{-4} \)(v) \( \frac{9}{-7} \) by \( \frac{36}{-11} \)(vi) \( \frac{-11}{13} \) by \( \frac{-21}{7} \)(vii)\( -\frac{3}{5} \) by \( -\frac{4}{7} \)(viii) \( -\frac{15}{11} \) by 7
State whether True or FalseAll numbers which are divisible by 4 must also be divisible by 8.
Determine if 25110 is divisible by 45.[Hint : 5 and 9 are co-prime numbers. Test the divisibility of the number by 5 and 9 ].
If a number is divisible by 3 need it to be tested for 9? Justify your answer by stating any 2 numbers which are divisible by 3 but not by 9.
Divide:(i) 1 by \( \frac{1}{2} \)(ii) 5 by \( \frac{-5}{7} \)(iii) \( \frac{-3}{4} \) by \( \frac{9}{-16} \)(iv) \( \frac{-7}{8} \) by \( \frac{-21}{16} \)(v) \( \frac{7}{-4} \) by \( \frac{63}{64} \)(vi) 0 by \( \frac{-7}{5} \)(vii) \( \frac{-3}{4} \) by \( -6 \)(viii) \( \frac{2}{3} \) by \( \frac{-7}{12} \)(ix) -4 \) by \( \frac{-3}{5} \)(x) \( \frac{-3}{13} \) by \( \frac{-4}{65} \)
What is the value of 9 by 8 Minus 11 by 8?
Using divisibility tests, determine which of the following numbers are divisible by 4 ; by 8:(a) 572 (b) 726352 (c) 5500 (d) 6000 (e) 12159(f) 14560 (g) 21084 (h) 31795072 (i) 1700 (j) 2150
Using divisibility tests, determine which of the following numbers are divisible by 11 :(a) 5445 (b) 10824 (c) 7138965 (d) 70169308 (e) 10000001(f) 901153
Multiply:(i) \( \frac{-5}{17} \) by \( \frac{51}{-60} \)(ii) \( \frac{-6}{11} \) by \( \frac{-55}{36} \)(iii) \( \frac{-8}{25} \) by \( \frac{-5}{16} \)(iv) \( \frac{6}{7} \) by \( \frac{-49}{36} \)(v) \( \frac{8}{-9} \) by \( \frac{-7}{-16} \)(vi) \( \frac{-8}{9} \) by \( \frac{3}{64} \)
Given an example of a number which is divisible by(i) 2 but not by 4.(ii) 3 but not by 6.(iii) 4 but not by 8.(iv) both 4 and 8 but not 32.
Which of the following statements are true?(a) If a number is divisible by 3, it must be divisible by 9.(b) If a number is divisible by 9, it must be divisible by 3.(c) A number is divisible by 18, if it is divisible by both 3 and 6.(d) If a number is divisible by 9 and 10 both, then it must be divisible by 90.(e) If two numbers are co-primes, at least one of them must be prime.(f) All numbers which are divisible by 4 must also be divisible by 8.(g) All numbers which are divisible by 8 must also be divisible by 4.(h) If a number exactly divides two numbers separately, it must exactly divide their sum.(i) If a number exactly divides the sum of two numbers, it must exactly divide the two numbers separately.
Which of the following statements are true?(i) If a number is divisible by 3, it must be divisible by 9.(ii) If a number is divisible by 9, it must be divisible by 3.(iii) If a number is divisible by 4, it must be divisible by 8.(iv) If a number is divisible by 8, it must be divisible by 4.(v) A number is divisible by 18, if it is divisible by both 3 and 6.(vi) If a number is divisible by both 9 and 10, it must be divisible by 90.(vii) If a number exactly divides the sum of two numbers, it must exactly divide the numbers separately.(viii) If a number divides three numbers exactly, it must divide their sum exactly.(ix) If two numbers are co-prime, at least one of them must be a prime number.(x) The sum of two consecutive odd numbers is always divisible by 4.
Kickstart Your Career
Get certified by completing the course

Get Started