**Question:**

Test the divisibility of each of the following numers by 2:

(i) 94

(ii) 570

(iii) 285

(iv) 2398

(v) 79532

(vi) 13576

(vii) 46821

(viii) 84663

(ix) 66669

**Solution:**

A given number is divisible by 2 only when its unit digit is 0, 2, 4, 6 or 8.

(i) 94

The number 94 has '4' at its unit's place so, it is divisible by 2.

(ii) 570

The number 570 has '0' at its unit's place so, it is divisible by 2.

(iii) 285

The number 285 has '5' at its unit's place so, it is not divisible by 2.

(iv) 2398

The number 2398 has '8' at its unit's place so, it is divisible by 2.

(v) 79532

The number 79532 has '2' at its unit's place so, it is divisible by 2.

(vi) 13576

The number 13576 has '6' at its unit's place so, it is divisible by 2.

(vii) 46821

The number 46821 has '1' at its unit's place so, it is not divisible by 2.

(viii) 84663

The number 84663 has '3' at its unit's place so, it is not divisible by 2.

(ix) 66669

The number 66669 has '9' at its unit's place so, it is not divisible by 2.