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MathsMediumMCQ2022 ยท 28 Jun Shift 2

Q63.If n arithmetic means are inserted between a and 100 such that the ratio of the first mean to the last mean is 1 : 7 and a + n = 33, then the value of n is (1) 21 (2) 22 (3) 23 (4) 24 โˆ’ , x โ‰ 0 is

What This Question Tests

This question involves finding the number of arithmetic means inserted between two numbers, using the given ratio of the first and last means and a relationship between the first term and the number of means.

Concepts Tested

Arithmetic meansnth term of APProperties of AP

Formulas Used

l = a + (N-1)d

A_k = a + kd

a_n = a + (n-1)d

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