12. If the circular paper is cut along the dotted lines, two big sectors and two small sectors are obtained. What fraction of the whole sheet would each big sector be? a. b. 11/24 1/16 C. 15/16 d. 22/24 13. A simple pendulum completes 15 full oscillations in a minute. What will be its time period for a complete oscillation?
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12. If the circular paper is cut along the dotted lines, two big sectors and two small sectors are obtained. What fraction of the whole sheet would each big sector be? a. b. 11/24 1/16 C. 15/16 d. 22/24 13. A simple pendulum completes 15 full oscillations in a minute. What will be its time period for a complete oscillation?
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