Explanation

Metal detectors are devices used to locate metal objects, especially in security checks or buried metals.

Common in airports, archaeology, and construction.

Explanation

1122 is the emergency service number for rescue, including fire brigade in Pakistan.

It also covers medical and disaster response.

Explanation

A no-fly list is a security measure where certain individuals are prohibited from boarding commercial flights.

It is used to prevent people considered a threat from flying, usually for safety and security reasons.

Explanation

The Paris Agreement is a legally binding international treaty on climate change.

The Paris Agreement is also known as (COP21. 

2015 conference was to achieve, for the first time in over 20 years of UN negotiations, a binding and universal agreement on climate.

It was adopted by 196 Parties at the UN Climate Change Conference in Paris, France, on 12 December 2015

Explanation

If the common difference $d = 0$, the sequence is constant.

General formula for an arithmetic sequence:
$a_n = a + (n - 1)d$

For $d = 0$
$a_n = 3 + (n - 1) times 0 = 3$

So, the 5th number $$a5=3a_5 = 3

Explanation

Caps Lock makes all typed letters uppercase without holding the Shift key.

It stays active until you press it again to turn it off.

Explanation

Silicon Valley Bank (SVB) collapsed suddenly in early March 2023, following a rapid bank run and massive deposit withdrawals—about 81% of its deposits, totaling $142 billion, were withdrawn in just two days.

It was the largest bank failure since the 2008 financial crisis, provoking widespread fears of contagion across the banking sector.

Explanation

In 2023, Pakistan faced a severe balance-of-payments crisis due to rising imports and low reserves.

This caused currency devaluation, inflation, and debt repayment issues—crippling the economy.

Explanation

Explanation

In Pakistan, airport security is primarily the responsibility of the Airports Security Force (ASF), which operates under the Ministry of Defence.

The ASF is tasked with safeguarding airports, facilities, and aircraft against unlawful interference.