Choose or find odd number pair
$(10 - 20), (30 - 40), (40 - 50), (50 - 60)$

10 - 20

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30 - 40

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40 - 50

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50 - 60

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Solution

The correct option is D $10 - 20$
This is the only pair in which the second number is twice the first one.

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Similar questions

The marks obtained by $40$ students of a class are given below :
$80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70,$
$10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80, 90,$ $50, 80,$
$60, 70, 40, 50, 60, 90, 60, 40, 40, 60$ , and $60$

How many numbers are less than

35

Q. Find mode for grouped data given below

:

X	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$	$60 - 70$	$70 - 80$
F	$20$	$10$	$10$	$10$	$40$	$30$

Q. The marks obtained by 40 students of a class are given below :

80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70, 10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80, 90,

50, 80, 60, 70, 40, 50, 60, 90, 60, 40, 40, 60

, and

60

Construct a frequency distribution table.

Identify the modal class:

Q. The marks obtained by 40 students of a class are given below :

80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70, 10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80,

90, 50, 80, 60, 70, 40, 50, 60, 90, 60, 40, 40, 60

, and

60

How many students obtained marks below

40

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Choose or find odd number pair(10−20),(30−40),(40−50),(50−60)

The correct option is D 10−20This is the only pair in which the second number is twice the first one.

Choose or find odd number pair
$(10 - 20), (30 - 40), (40 - 50), (50 - 60)$

The correct option is D $10 - 20$
This is the only pair in which the second number is twice the first one.