Explanation

The moderator is a material intentionally placed in a nuclear reactor core to slow neutrons down from their initial fast speeds.

Explanation

Complete series 6,9,13,16,20,23, 26,30

6+3=9

9+4=13

13+3=16

16+4=20

20+3=23

23+4=27

27 + 3=30

6+3=9 9+4=13 13+3=16 16+4=20 20+3=23 23+4=27 27±3=30

SH18-8-2-2023

Explanation

Number of pens produced in February = 3000 - 10% Number of pens produced in February = 3000 - 30= 2700 pens Number of pens produced in March is 2700 - 10% of 2700 Number of pens produced in March = 2700 - 270=2430 pens

Explanation

An annex is a structure added to a building, and an insert is something added to a book 

Explanation

Cagey means ایسا شخص جو چالاک ہو

Secretive means  ایسا شخص جو راز ظاہرنہ کرتا ہو

Explanation

A boy walked for =1/2 hours

 got a bus for= 1/3  hours

Total time = 1/2+1/3

                 = (2+3)/6 

                   =5/6

Sh18-8-2023

Explanation

General Michael Hayden is the defense secretary of the united states

Michael Vincent Hayden is a retired United States Air Force four-star general

Born: March 17, 1945 (age 78 years), Pittsburgh, Pennsylvania, United States

Years of service: 1967–2008

Awards:

Defense Distinguished Service Medal 

Defense Superior Service Medal 

Legion of Merit

Bronze Star Medal

Meritorious Service Medal 

Explanation

(5/100) A = (15/100) B

A = 3B
A + B = 2000
4B = 2000 => B = 500
A = 1500

Explanation

Let the number be x Then, x+17=60x⇒x2+17x−60=0⇒(x+20)(x−3)=0⇒x=3

Explanation

(17 + 39)  * 2 = 112

There for

(49 + 28) * 2 = 154 

SH19-8-2023