21755
Unique Id: 18545
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DIRECTIONS
for the question:
Solve the following question and mark the best possible option.
If 3
rd
term of an AP is 23 and 6
th
term is 47 then find the 11
th
term.
A)
78
B)
87
C)
85
D)
83
E)
None of these
B
Let a be the first term of AP and d is the common difference. So a + 2d = 23…..(i)
and a + 5d = 47……..(ii). Solving these two equations we get a = 7 and d = 8. So the 11
th
term is T
11
= 7 + 10× 8 = 87.
Question include in Following Tests :
Progression & Series Level I - 01
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GMAT Quant Section - Test 02
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