Question

Q. Test the divisibility
a. By 4 i) 670654 ii) 17568

b. By 9 i) 543073 ii) 2800566

c. By 2 i) 456894 ii) 2347680

d. Find the least number divisible by 15, 20, 24, 32, and 36.​

Answer 1

Answer:

for 4 divide last two digit by 4

for nine add all digits if sum is zero or multiple of 9

for 2 last digit is multiple of 4

ffor least no find LCM of 15,20,24,32,36