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In 1930, a person’s age was 8 times that of his son. In 1938, the father’s age became ten times that of his son’s age in 1930. The ages of the son and
The monthly income of Komal and Asha are in the ratio of 4 : 3. Their monthly expenses are in the ratio of 3 : 2. However, both save Rs. 600 per mon
A rectangular piece of iron sheet measuring 50 cm by 100 cm is rolled into a cylinder of height 50 cm. If the cost of painting the cylinder is Rs. 50
Consider the following organisations: I. Atomic Minerals Directorate for Research and Exploration II. Heavy Water Board III. Indian Rare Earths Lim
Match List I with List II and select the correct answer using the codes given below the Lists: List I (Institute) I. Central Institute of Medicinal
The correct answer is option (d): 140°. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2001, GS Paper 1, as Question 148. It falls under Science & Technology > Quantitative Aptitude.
This question is rated "moderate". It requires sound conceptual understanding of the topic.
UPSC has asked 164 questions from Quantitative Aptitude (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.