Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
Solve it the standard way once - then learn the shortcut.
Directions: In the following question, the first and the last parts of the sentence are numbered S₁ and S₆. The rest of the sentence is split into four parts named P, Q, R, and S. These four parts are not given in proper order. Read the sentence carefully and choose the correct order from the given options. S₁: I shall tell you about the ways you can see a rainbow. P. Big rainbows can be seen when the sun is close to horizon. Q. Or you can notice a rainbow in the spray from a garden hose. R. You can see a rainbow in the mist from a waterfall. S. When you stand with a light source behind you and misty water before you, you can see a rainbow. S₆: Occasionally, even a full moon on a rainy night will create a faint rainbow.
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
S sets visual condition, P gives example, R another example, Q ends variation. The logic behind this sequence often relies on connectors (like 'but', 'so', 'because'), temporal cues (like 'then', 'after that'), or thematic build-up (general to specific or cause to effect).