Angle traced by hour hand in | 17 | hrs = | ❨ | 360 | x | 17 | ❩ | ° | = 255°. |
2 | 12 | 2 |
Angle traced by min. hand in 30 min. = | ❨ | 360 | x 30 | ❩ | ° | = 180°. |
60 |
∴ Required angle = (255 - 180)° = 75°.
4th observation i.e., 8 is the median.
47/10000 = .0047
.02 =(2/100) x 100% =2%
Let N / 11 = 233
Then, N = 233 x 11 = 2563
? Missing digit is 5.
121012 = 12 x 10084 + 4
? remainder = 4
We have the important relation, More work, More time (days)
? A piece of work can be done in 6 days.
? Three times of work of same type can be done in 6 x 3
= 18 days
? = 750.0003 ÷ 19.999
? ? ? 750 ÷ 20
? ? ? 375 ? 38
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