Explanation

The given set:

Z = {0, ±1, ±2, ±3, ±4, ...}

This set includes all integers, both positive and negative, as well as zero.

Explanation

Combined rate = 1/6; first pipe rate = 1/10.

Second pipe rate = 1/6 - 1/10 = 1/15.

So, the second pipe alone fills in 15 hours.

Explanation

Grieve means گہری غم کو محسوس کرنے یا اظہار کرنے کے لئے

Mourn means سوگ

Explanation

Irritated means چڑچڑا

Annoyed means ناراض

Explanation

Away means ایک فاصلے پر یا دور

Distant means جگہ یا وقت میں علیحدگی

Explanation

Console means کسی کو تکلیف یا غم میں تسلی دینا

Comfort means ہمدردی اور مدد کی پیش کش کرنا

Explanation

A CD (Compact Disc) is read using a laser beam in an optical drive.

The laser detects tiny pits and lands on the disc surface to read data.

Explanation

Fraction given away = 1/4 + 2/3

= 3/12 + 8/12

= 11/12

Fraction left = 1 - 11/12

= 1/12

Explanation

"Himself" is a reflexive pronoun used when the subject and object refer to the same person.

It reflects back to "my father," showing he had standards for his own self.

Explanation

To solve (+8) ÷ (-2):

(+8) ÷ (-2) = -4

When dividing a positive number by a negative number, the result is negative.