61. Which is the hardest gemstone? September 20, 2025 by Admin A. Diamond B. Ruby C. Sapphire D. None of these ✅ The correct answer is option Diamond.
62. The total member of Security Council are: September 20, 2025 by Admin A. 13 B. 14 C. 15 D. 20 ✅ The correct answer is option 15.
63. The first Nuclear power plant in Pakistan was established at which place? September 20, 2025 by Admin A. Karachi B. Lahore C. Islamabad D. Rawalpindi ✅ The correct answer is option Karachi.
64. At which temperature does bacteria die? September 20, 2025 by Admin A. 102 F B. 106 F C. 110 F D. 120 F ✅ The correct answer is option 102 F.
65. The brain of the computer is: September 20, 2025 by Admin A. Keyboard B. Mouse C. Hard Disk D. Central Processing Unit ✅ The correct answer is option Central Processing Unit.