A. 12 members B. 14 members C. 18 members D. 22 members
A. Jupiter B. Saturn C. Neptune D. Mercury
A. Active Volcano B. Plateau in a volcano C. Extinct Volcano D. Dormant Volcano
A. USA B. Russia C. Canada D. None of these
A. 1920 B. 1890 C. 1901 D. 1944 Explanation: Joshua Lionel Cowen and Harry C. Grant started the Lionel Manufacturing…
A. 1915 B. 1920 C. 1919 D. 1911 Explanation: Johnny Gruelle patented the Raggedy Ann doll in 1915. The Raggedy…
A. Hargobind Khorana B. J.J. Thompson C. Benjamin Franklin D. Meghnad Saha
A. Reflecting telescope B. Chronometer C. Microscope D. Spectacles Explanation: Invented in 1668.