Explanation

Some months have 31 days some have 30. 12-month days have 28.

Given data: Some months have 30 days and some have 31 days.

Explanation

Explanation

The term RADAR was coined in 1940 by the United States Navy

It is an acronym for "radio detection and ranging".

It is a radiodetermination method  used to detect and track aircraft, ships, spacecraft, guided missiles, motor vehicles, map weather formations, and terrain.

Explanation

Arabian Sea, northwestern part of the Indian Ocean

The Arabian Sea is located between the Indian and Arabian peninsulas

Explanation

SMS stands for Short message service;

 SMS, is a text messaging service component of most telephone, Internet, and mobile device systems.

SMS was defined in 1986 as part of the Global System for Mobile Communications (GSM)

The first SMS message was sent on 3 December 1992

Explanation

Uranus is an extremely cold planet and it's called Ice Giant.

It's identical to the planet Neptune.

It has 27 moons.

It's largest moon; Titania.

Additional information 

The coldest planet in the solar system is Uranus.

Its average temperature is -224°C (-371°F).

While Neptune is also extremely cold, with an average temperature of -214°C (-353°F),

Explanation

Devised means سوچ یا تخلیقی صلاحیتوں کے ساتھ ایجاد ، منصوبہ بندی کرنے یا کچھ نیا بنانے کے لئے

Invented means سوچ یا تخلیقی صلاحیتوں کے ساتھ ایجاد ، منصوبہ بندی کرنے یا کچھ نیا بنانے کے لئے

Explanation

Let's break it down:

1. Take the 1st pill: Time = 0

2. Take the 2nd pill: Time = 0.5 hours

3. Take the 3rd pill: Time = 1 hour

After taking the 3rd pill, all pills have been taken.

Explanation

To guarantee at least 2 black socks, consider the worst-case scenario where he draws all non-black socks first.

Total non-black socks = 42 (blue) + 15 (red) = 57

To guarantee 2 black socks, he needs to draw enough socks so that even if the first 57 are non-black, the next draws will include at least 2 black socks.

So, he draws 57 (non-black) + 2 (black) = 59 socks.

Explanation

The formula to find the number of handshakes between n people is:

Handshakes = 𝑛(𝑛−1)/2

Here, n = 10

10 × 9/2 = 45

So, 45 handshakes occurred before the meeting.