Sunerva-Primo is a comet that orbits around the sun once in 54 years, and Ingravio-Tage is a comet that orbits around the sun once in 108 years. The last time they were seen together in the sky was in 1997. In which year will they be next seen together in the sky ?
While doing operations on fractions, in which order should the operations be done among these four operations? @^ + \space \times \space - \space \div@^
Four problem figures are given below. There exists a relationship between the first two problem figures. A similar relationship should exist between the third and fourth problem figures. Identify the fourth figure.