Q 21. A cylindrical flask of diameter 4 cm and 14 cm height is half full with water. Determine the volume of water in it. Ops: A. O 88 cm 152 cm B. C O176 cm D. 074 cm Q 22. Chords XY and PQ of a circle intersect externally at Z. If XY = 5 cm, PQ = 3 cm and ZQ = 4 cm, then the length of %3D Ops: A. O4.3 cm B. O6.2 cm C. O3.3 cm D. 07.8 cm Q 23. Pand Q are two points on a river. Mark took 12 hours to row from P and Q and 20 hours to row from Q to P. of the speed of his boat in still water and speed of stream. Ops: A. 04:1 B. 01:4 C. 05:1 090

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