$120, 15, 105, 17.5, 87.5, ?$

18.5

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19.5

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21.875

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17.5

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90

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Solution

The correct option is D $21.875$
$120, 15, 105, 17.5, 87.5, . . . . .$
$\frac{120}{8} = 15$
$15 \times 7 = 105$
$\frac{105}{6} = 17.5$
$17.5 \times 5 = 87.5$
$\frac{87.5}{4} = 21.875$
ANSWER IS C

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Similar questions

Q. The class marks of a frequency distribution are 15, 20, 25, 30, .. . The class corresponding to the class marks 20 is
(a) 12.5−17.5
(b) 17.5−22.5
(c) 18.5−21.5
(d) 19.5−20.5

Q. Question 6
The class marks of a frequency distribution are given as follows 15, 20, 25….. the class corresponding to the classmark 20 is:

A) 12.5 - 17.5
B) 17.5 - 22.5
C) 18.5 - 21.5
D) 19.5 - 20.5

Choose the correct answer in each of the following questions:
The class marks of a frequency distribution are 15, 20, 25, 30, .... The class corresponding to the class mark 20 is
(a) 12.5-17.5
(b) 17.5-22.5
(c) 18.5-21.5
(d) 19.5-20.5

Q. Question 6
The class marks of a frequency distribution are given as follows 15, 20, 25….. the class corresponding to the classmark 20 is:

A) 12.5 - 17.5
B) 17.5 - 22.5
C) 18.5 - 21.5
D) 19.5 - 20.5

Q. The mean of first six multiples of 5 is

(a) 3.5 (b) 18.5 (c) 17.5 (d) 30

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120,15,105,17.5,87.5,?

The correct option is D 21.875120,15,105,17.5,87.5,.....1208=1515×7=1051056=17.517.5×5=87.587.54=21.875ANSWER IS C

$120, 15, 105, 17.5, 87.5, ?$

The correct option is D $21.875$
$120, 15, 105, 17.5, 87.5, . . . . .$
$\frac{120}{8} = 15$
$15 \times 7 = 105$
$\frac{105}{6} = 17.5$
$17.5 \times 5 = 87.5$
$\frac{87.5}{4} = 21.875$
ANSWER IS C