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UPSC CSE Prelims
1999
Q142 — Science & Technology

UPSC CSE Prelims 1999 Q142 — Science & Technology PYQ with Answer

1999Q142·Science & Technology·Quantitative Aptitude

The surface area of a spherical dome-shaped roof of a cylindrical water tank shown in the figure is

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If X + 2Y = 2X + Y, then X² / Y² is equal to...

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