ax+2y=5
3x−6y=20
In the system of equations above, a is a constant. if the system has one solution, which of the following CANNOT be the value of a?
- (A) -1Â
- (B) -3Â
- (C) 2Â
- (D) 1Â
- (A) -1Â
The sum of ages of two children is 12 and their product is 32. The age of elder one:Â
- (A) 6 yearsÂ
- (B) 8 yearsÂ
- (C) 10 yearsÂ
- (D) 12 yearsÂ
- (B) 8 yearsÂ
The Establishment of Delhi Sultanate began with the invasion of:Â
- (A) Muhammad GhouriÂ
- (B) Alauddin KhiljiÂ
- (C) Muhammad TughlaqÂ
- (D) None of these
- (A) Muhammad GhouriÂ
Four men working together can dig a ditch in 42 days. They begin, but one man works only half-days. How long will it take to complete the job:Â
- (A) 46 daysÂ
- (B) 48 daysÂ
- (C) 50 daysÂ
- (D) 52 daysÂ
- (B) 48 daysÂ
Who was the President of Pakistan after the death of Zia-ul-Haq:Â
- (A) Ghulam Ishaq KhanÂ
- (B) Farooq LeghariÂ
- (C) Muhammad Rafiq TararÂ
- (D) None of theseÂ
- (A) Ghulam Ishaq KhanÂ
Convert to Radical Form \( X^{2a/b} \) is:Â
- (A) \( b√ x^{2a} \)Â
- (B) \( a√ x^{2b} \)Â
- (C) \( b√ x^{20} \)Â
- (D) \( a√ xz \)Â
- (A) \( b√ x^{2a} \)Â
Gangkhar Puensum, the highest unclimbed mountain in the world, is located in:Â
- (A) NepalÂ
- (B) IndiaÂ
- (C) ChinaÂ
- (D) BhutanÂ
- (D) BhutanÂ
BRI stands for:Â
- (A) Belt and Race InitiativeÂ
- (B) Belt and Road IdeaÂ
- (C) Belt and Road InitiativeÂ
- (D) None of theseÂ
- (C) Belt and Road InitiativeÂ
Which article of the constitution of 1973 is related to the affairs of Zakat:Â
- (A) 30Â
- (B) 31Â
- (C) 32Â
- (D) 33Â
- (B) 31Â
Iron is an essential mineral which is needed for body for the production of ________.Â
- (A) Hemoglobin
- (B) Bone
- (C) Teeth
- (D) Thyroxine
- (A) Hemoglobin