Using divisibility test, determine which of the following numbers are

1.	Using divisibility test, determine which of the following numbers are divisibly by 4; by 8:(a) 572 (b) 726352 (c) 5500 (d) 6000(e) 12159 (f) 14560 (g) 21084 (h) 31795072(i) 1700 (j) 2150
Answer» (a) 572 --> Divisible by 4 as its last two digits are divisible by 4. Not divisible by 8 as its last three digits are not divisible by 8. (b) 726352 --> Divisible by 4 as its last two digits are divisible by 4. Divisible by 8 as its last three digits are divisible by 8. (c) 5500 --> Divisible by 4 as its last two digits are divisible by 4. Not divisible by 8 as its last three digits are not divisible by 8. (d) 6000 --> Divisible by 4 as its last two digits are 0. Divisible by 8 as its last three digits are 0. (e) 12159 --> Not divisible by 4 and 8 as it is an odd number. (f) 14560 --> Divisible by 4 as its last two digits are divisible by 4. Divisible by 8 as its last three digits are divisible by 8. (g) 21084 --> Divisible by 4 as its last two digits are divisible by 4. Not divisible by 8 as its last three digits are not divisible by 8. (h) 31795072 --> Divisible by 4 as its last two digits are divisible by 4. Divisible by 8 as its last three digits are divisible by 8. (i) 1700 --> Divisible by 4 as its last two digits are 0. Not divisible by 8 as its last three digits are not divisible by 8. (j) 5500 --> Not divisible by 4 as its last two digits are not divisible by 4. Not divisible by 8 as its last three digits are not divisible by 8.

Using divisibility test, determine which of the following numbers are divisibly by 4; by 8:(a) 572 (b) 726352 (c) 5500 (d) 6000(e) 12159 (f) 14560 (g) 21084 (h) 31795072(i) 1700 (j) 2150

Answer»

(a) 572 --> Divisible by 4 as its last two digits are divisible by 4.

Not divisible by 8 as its last three digits are not divisible by 8.

(b) 726352 --> Divisible by 4 as its last two digits are divisible by 4.

Divisible by 8 as its last three digits are divisible by 8.

(c) 5500 --> Divisible by 4 as its last two digits are divisible by 4.

Not divisible by 8 as its last three digits are not divisible by 8.

(d) 6000 --> Divisible by 4 as its last two digits are 0.

Divisible by 8 as its last three digits are 0.

(e) 12159 --> Not divisible by 4 and 8 as it is an odd number.

(f) 14560 --> Divisible by 4 as its last two digits are divisible by 4.

Divisible by 8 as its last three digits are divisible by 8.

(g) 21084 --> Divisible by 4 as its last two digits are divisible by 4.

Not divisible by 8 as its last three digits are not divisible by 8.

(h) 31795072 --> Divisible by 4 as its last two digits are divisible by 4.

Divisible by 8 as its last three digits are divisible by 8.

(i) 1700 --> Divisible by 4 as its last two digits are 0.

Not divisible by 8 as its last three digits are not divisible by 8.

(j) 5500 --> Not divisible by 4 as its last two digits are not divisible by 4.

Not divisible by 8 as its last three digits are not divisible by 8.