Explanation

• Alexander Graham Bell is credited as the inventor of the telephone.
• He was awarded the first successful patent for it.
• The telephone was invented in 1876.
• Bell made the first-ever telephone call to his assistant Thomas Watson.

Last updated by NA on 06-11-2026

Explanation

• The length of the Indus River is 3,180 km.
• The largest river in Pakistan is the Indus River.
• It is the National River of Pakistan.

Additional information:

• The Indus River starts in Tibet.
• It originates from the Mansarovar lake.
• They flow through India, Pakistan.
• It finally falls into the Arabian Sea near Karachi.
• They start making a delta near the city of Thatta.
• The old name of the Indus River was Sindhu.
• There are 6 Barrages constructed in the Indus River.
• The 2nd source of Indus River is Gar Tsangpo.
• The upper Indus Plain starts from Kalabagh.
• The upper Indus Plain ends at Mithankot.

Last updated by NA on 06-11-2026

Explanation

Use the set formula: 

Students who study CS or Math = CS + Math - Both  

= 55 + 50 - 10  

= 95 students

Students who study neither = Total students - Students who study CS or Math  

= 100 - 95  

= 5 students

Last verified on 02-09-2026

Explanation

• Alleviate means کسی چیز کو کم شدید یا برداشت کرنا آسان بنانا، خاص طور پر درد یا مسائل
• Reduce means کسی چیز کو کم شدید یا برداشت کرنا آسان بنانا، خاص طور پر درد یا مسائل

Last verified on 18-05-2026

Explanation

• Candid means being open, honest, and direct.
• It reflects truthfulness, frankness, and straightforward behavior.
• Candid means صاف گوئی
• Truthful, Honest and straightforward, Frank means کھلا، ایماندار، اور براہ راست ہونا

Last verified on 04-06-2026

Explanation

• F12 → Save As

Additional information:

• Ctrl + S → Save
• Ctrl + O → Open
• Ctrl + P → Print
• Ctrl + N → New Document

Last updated by NA on 05-11-2026

Explanation

Difference = 40% − 25% = 15%.

15% of the number = 45 → Number = 45 ÷ 0.15 = 300.

Last updated by NA on 05-11-2026

Explanation

• Accommodation means رہائش
• Accommodation refers to a place to live or stay (lodging).

Last verified on 08-06-2026

Explanation

• Meticulous means محتاط
• Conscientious means باضمیر
• Precise means عین مطابق

• Painstaking means بہت محتاط اور درست

Last verified on 23-05-2026

Explanation

• Inventors: Montgolfier brothers (Joseph-Michel and Jacques-Étienne).
• First public demonstration: 4 June 1783, Annonay, France.
• First passenger flight: 1783, near Paris.
• Known as: Pioneers of human flight.

Last updated by NA on 04-11-2026