Part filled by A in 1 min = | 1 | . |
20 |
Part filled by B in 1 min = | 1 | . |
30 |
Part filled by (A + B) in 1 min = | ❨ | 1 | + | 1 | ❩ | = | 1 | . |
20 | 30 | 12 |
∴ Both pipes can fill the tank in 12 minutes.
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
Comments
There are no comments.Copyright ©CuriousTab. All rights reserved.