Explanation

If 40 men can build 4 buildings in 12 months we can divide 4/12 which is 1/3..

40*3 is 120 men for 4 buildings and 120 is divided into 4 we get 30 men for 1 building..

so for buildings 30*2 = 60   

 120+60 is = 180

Explanation

DRAM memories need a refresh.

Dynamic Random Access Memory (DRAM).

DRAM must be refreshed many times per second to store information, otherwise, it will lose what it is holding.

DRAM is the most common type of memory in use today.

ND18-4-2023

Explanation

120 men can do work = 30 days

1 man can do this work = 120 x 30 = 3600 days

80 men can do this work = 3600/80 = 45 days

Explanation

The CP of the gun = Rs. 2500

The SP of the gun = Rs. 900

The loss is = CP - SP = Rs. ( 2500 - 900 )

= Rs. 1600

Hence, the loss incurred by Akbar is 64%.

Explanation

The National Assembly of the parliament consists of 336 members old was 342 reducing KPK from 61 to 55.

A member of the National Assembly is called MNA

Senate is the Upper house of parliament 

According to Article 51 (1) and 3(a) of the Constitution of the Islamic Republic of Pakistan

Article 51. (1) There shall be [three hundred and thirty-six] seats for members in the National Assembly, including seats reserved for women and non-Muslims.

Reference Click

RK271222,

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ND30-12-2022

ND7-5-2023

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Explanation

John Vincent Atanasoff invented the first digital computer in 1930. 

The inventor of the first Digital Computer belonged to the country: USA

John Vincent Atanasoff died in 1995.

Digital computer:

The Digital Computer operates on a Binary system

Explanation

• Hazrat Musa (Kaleemullah) and Hazrat Haroon (A.S) were brothers and prophets of God.
• Hazrat Musa (A.S) is buried in Ohud, KSA.
• Hazrat Haroon (A.S) is buried in Jordan.
• Hazrat Haroon (A.S) met the Holy Prophet ﷺ on the 5th heaven.
• Zubaida, wife of Haroon ur Rasheed.
• She was the mother of Al-Ameen and Al-Haroon.

Explanation

QWERTY refers to the first six letters on the upper row of the keyboard.

The QWERTY layout was devised and created in the early 1870s

The key arrangement was devised by Christopher Latham Sholes

104 buttons or keys in a QWERTY keyboard 

The QWERTY keyboard is also known as the Sholes keyboard

ND18-4-2023

Explanation

A joystick sometimes called a flight stick.

The joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.

ND18-4-2023

Explanation

• Ravi does not flow from Jammu and Kashmir.
• River Ravi originates from the state of India Himachal Pradesh.
• It flows along the Indo-Pak border before entering Pakistan.
• The Ravi River is the smallest river among five other rivers of the Indus basin system flowing in Pakistan.

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While

• 24 rivers are present in Pakistan
• 5 rivers flow in Punjab Province
• 4 rivers flow in Sindh Province
• 7 rivers flow in Balochistan Province
• 8 rivers flow in Khyber Pakhtunkhwa Province