If x₀ = 1, x₁ = 2, and xₙ₊₂ = (1 + xₙ₊₁) / xₙ for n = 0, 1, 2, …, then what is the value of x₂₀₂₁?
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CAT 2021 Vedic Tables G Strategy
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Question 1 of 4
The natural numbers are grouped as: (1), (2,3,4), (5,6,7,8,9), ……… Find the sum of all terms in the 15th group.
Onion is sold for 5 consecutive months at the rates: ₹10, ₹20, ₹25, ₹25, ₹50 per kg. A family spends a fixed amount on onion for each of the first 3 months, and then spends half that amount on onion for each of the last 2 months. What is the average price per kg of onion for the family?
The number of groups of three or more distinct numbers that can be chosen from the set: {1, 2, 3, 4, 5, 6, 7, 8} such that: Each group always includes 3 and 5 7 and 8 are never included together What is the total number of such valid groups?