Match the time units- lbeginarray -c- c-c- c - WheA - - 1 minute - a 72 hours lWhlineC - 60 minutes - c - 21000 yearsillhline D - - 13 - d d - 60 secondslllhline lendarray A- A-a- B-c- C-d- D-bB- A-a- B-c- C-b- D-dC- A-d- B-c- C-b- D-aD- A-d- B-b- C-c- D-a

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Conversion of Time

Match the tim...

Question

Match the time units:
$\begin{matrix} A & 1 m i n u t e & a & 72 h o u r s B & 1 m i l l e n n i u m & b & 3600 s e c o n d s C & 60 m i n u t e s & c & 21000 y e a r s D & 13 d a y s & d & 60 s e c o n d s \end{matrix}$

A-a; B-c; C-d; D-b

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A-a; B-c; C-b; D-d

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A-d; B-b; C-c; D-a

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A-d; B-c; C-b; D-a

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Solution

The correct option is D A-d; B-c; C-b; D-a
The SI unit of time is second (s). Other units are like minutes and hours. Some bigger units of time are days, weeks, years, decade, century and millennium. Relationship between various units of time is as follows:
1 minute = 60 seconds
1 hour = 60 minutes = 3600 seconds
1 day = 24 hours, so 3 days = $3 \times 24$ hours = 72 hours
10 years = 1 decade
100 years = 1 century
1000 years = 1 millennium

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Match the time units: A 1 minutea 72hoursB 1 millennium b 3600 secondsC 60minutesc 21000 yearsD 13 days d 60 seconds

Match the time units:
$\begin{matrix} A & 1 m i n u t e & a & 72 h o u r s B & 1 m i l l e n n i u m & b & 3600 s e c o n d s C & 60 m i n u t e s & c & 21000 y e a r s D & 13 d a y s & d & 60 s e c o n d s \end{matrix}$