Questions and answers from this day. Play today's quiz to build your streak.
Question 1 · Coordinate geometry
Answer: 25. Distance = √(7² + 24²) = √625 = 25.
Question 2 · Linear equations
Answer: 3. Add the two equations: 2x = 5 + 1 = 6, so x = 3.
Question 3 · Mensuration
Answer: 308 cm³. Volume = π r² h = 22/7 × 7 × 7 × 2 = 308 cm³.
Question 4 · Arithmetic progressions
Answer: 54. nth term = a + (n − 1)d = 10 + 11 × 4 = 54.
Question 5 · Pythagoras theorem
Answer: 5 cm. c² = 3² + 4² = 9 + 16 = 25, so c = 5 cm.
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