Hourly Challenge · Reasoning
🕐 31 Oct 2026 · 7 PM IST
5 questions · 30 seconds each · instant explanations. For PSC, UPSC, SSC, Banking & Railway aspirants. No login needed.
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Question 1 / 5Score: 0
Find the next number in the series: 2, 6, 12, 20, 30, ?
Explanation: The differences are 4, 6, 8, 10, so the next difference is 12: 30 + 12 = 42. (Each term is n × (n + 1): 6 × 7 = 42.)
Question 2 / 5Score: 0
If CAT is coded as DBU, how will DOG be coded in the same language?
Explanation: Each letter is shifted one place forward: C→D, A→B, T→U. So D→E, O→P, G→H, giving EPH.
Question 3 / 5Score: 0
Pointing to a man, Meena says, "He is the son of my grandfather's only son." How is the man related to Meena?
Explanation: Her grandfather's only son is Meena's father. The son of her father is her brother.
Question 4 / 5Score: 0
A man walks 5 km north, turns right and walks 3 km, then turns right again and walks 5 km. How far and in which direction is he from the starting point?
Explanation: North 5 km, right turn = East 3 km, right turn = South 5 km. The north and south moves cancel, leaving him 3 km East of the start.
Question 5 / 5Score: 0
Find the odd one out: 121, 144, 169, 190
Explanation: 121 = 11², 144 = 12² and 169 = 13² are perfect squares. 190 is not a perfect square (13² = 169, 14² = 196).
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