CBSE Class 10 Maths (Standard) 2024 · Paper 30/4/1 · Question 37

Arithmetic Progressions 4 marks Medium

Treasure Hunt is an exciting and adventurous game where participants follow a series of clues/numbers/maps to discover hidden treasures. Players engage in a thrilling quest, solving puzzles and riddles to unveil the location of the coveted prize. While playing a treasure hunt game, some clues (numbers) are hidden in various spots collectively forming an A.P. If the number on the

n^{th}

spot is

20 + 4 n

, then answer the following questions to help the players in spotting the clues.

(i)Which number is on the first spot ?[1]
(ii)(a)Which spot is numbered as $112$ ?[2]
(ii)(b)What is the sum of all the numbers on the first $10$ spots ? (OR)[2]
(iii)Which number is on the $(n - 2)^{th}$ spot ?[1]

Answer

(i) The first spot carries the number

24

; (ii)(a) The number

112

is on the

2 3^{rd}

spot; (ii)(b) The sum of the numbers on the first

10

spots is

420

; (iii) The

(n - 2)^{th}

spot carries the number

4 n + 12

🔒 Step-by-step solution

From the board paper

CBSE Class 10 Maths (Standard) 2024 · Paper 30/4/1, Question 37 — all 38 questions with answers →

CBSE Class 10 Maths (Standard) 2024 · Paper 30/4/1 · Question 37

Answer

From the board paper

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