Hidden AP Term Challenge

Arithmetic Progressions

Hidden AP Term Challenge

CBSE Class 10 · Solve it one decision at a time. A wrong pick earns a nudge, never the answer.

Step 1 of 11

The problem

In an AP, a3=7a_3=7 and a7=19.a_7=19. Find a15.a_{15}.
a₃ = 7a₇ = 19a₁₅ = ?Count the jumps from term 1 to term 3

Step 1 · Your move

Starting at the first term, how many equal jumps are needed to reach the third term?

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