20000+ Important MCQs for AIR FORCE

In normal year there are 365 days. In Leap year, there are 366 days.

Full form of HTML is Hyper Text Markup Language.
It is used to build websites.

Berlin, the capital of Germany, is situated on the Spree River.

The Spree River flows through eastern Germany and joins the Havel River in Berlin.

Many famous landmarks, such as the Reichstag, Berlin Cathedral, and Museum Island, are located along the Spree River.


Other Options Explained:

(A) Potomac – Flows through the eastern United States, passing through Washington, D.C.

(B) Irrawaddy – The main river of Myanmar (Burma).

(C) Rhine – One of the major rivers in Europe, flowing through Switzerland, Germany, and the Netherlands, but not through Berlin.


Thus, the correct answer is (D) Spree.

As we see in question,
15789 is written as XTZAL
2346 is written as NPSU
Now come to the question part.
23549 will be written as
2 - N
3 - P
5 - T
4 - S
9 - L
hence NPTSL is right answer.

A) Joule (J).
This is the basic energy unit of the metric system, or in a later more comprehensive formulation, the International System of Units (SI). It is ultimately defined in terms of the meter, kilogram, and second.

B) Calorie (cal).
Historically the calorie was defined in terms of the heating of water. Thus, in a traditional definition, one calorie is the amount of heat required to raise the temperature of 1 gram of water by 1°C, from 14.5 °C to 15.5 °C. (This is sometimes referred to as the 15 °C calorie, and differs slightly from the "calorie" measured for other temperature intervals.) More recently the calorie has been defined in terms of the joule; the equivalence between the calorie and joule is historically known as the mechanical equivalent of heat.

C) Kilowatt-hour (kWh).
The kilowatt-hour is a standard unit of electricity production and consumption. By definition, noting that 1 kilowatt = 1000 watts: