Explanation

Placate means تسلی دینا

Pacify means پرسکون کرنا

Explanation

Mahathir bin Mohamad is a Malaysian statesman who served as the prime minister of Malaysia from 1981 to 2003 and 2018 to 2020. 

At the age of 92 years 141 days in 2018, he becomes the Oldest Prime Minister having been born on 20 December 1925.

Explanation

Binary coded numbers are in the form of a series of 0s and 1s, also known as bits. 

A number represented in the base-2 numeral system.

It uses only the digits 0 and 1.

For example, (101)2 is a binary number.

Explanation

Ruthless means بے رحم

Merciful means مہربان

Explanation

A and B can do the work in 12 days, so their combined rate of work is 1/12 of the work per day.

B and C can do the work in 15 days, so their combined rate of work is 1/15 of the work per day.

C and A can do the work in 20 days, so their combined rate of work is 1/20 of the work per day.

Now, let's add the three equations and simplify:

2(A + B + C) = 1/12 + 1/15 + 1/20

Combine like terms:

2(A + B + C) = (10 + 8 + 6) / 120

Simplify the fraction:

2(A + B + C) = 24 / 120

Divide both sides by 2:

A + B + C = 12 / 120

Simplify the fraction:

A + B + C = 1/10

So, A, B, and C together can complete 1/10 of the work in one day.

To find the number of days taken by A, B, and C together to finish the work, we take the reciprocal:

Number of days = 1 / (1/10) = 10 days

Explanation

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Let the number be x

1/4 of the number = 1/4(x) =x/4

1/3 of the number = 1/3(x) =x/3

1/4 of a number subtracted from 1/3 of the number gives 12.

x/3-x/4 =12

x/3×4/4 - x/4×3/3 =12

4x/12 - 3x/12 =12

(4x-3x)/12=12

4x-3x=12×12

Explanation

The transfer of thermal energy from one substance to another that requires no physical medium is called radiation.

Radiation is the process by which thermal energy (heat) is transferred through electromagnetic waves, such as infrared radiation. 

They can occur in a vacuum, such as in the transfer of heat from the Sun to the Earth.

Unlike conduction and convection, which require a physical medium (solids, liquids, or gases), 

Explanation

To find the sum of the four numbers, multiply the average by the total count of numbers:

Average = 24

Total count = 4

Sum = Average × Total count

Sum = 24 × 4

Sum = 96

Explanation

Inverters and rectifiers are electronic circuits that can change the type of electric current.

An inverter converts DC to AC,

while

a rectifier converts AC to DC.

Explanation

Teaching aims to bring about a positive and lasting change in students' behavior or understanding.

It goes beyond just imparting knowledge to shaping attitudes and skills.