Question
Pipe A fills a tank in 10 hr, Pipe B in 15 hr, and Pipe
C empties in 30 hr. All open together. Time to fill?Solution
ATQ,
β 1/10 + 1/15 β 1/30 = 2/15
β Time = 15/2 = 7.5 hr = 7 hr 30 min
More Pipes and cisterns Questions
- Determine the value of following expression:
[{(148 + 32) Γ· 9}% x 1350] + 19 β857375 + β91125 = ? + √6889
5 Γ 14 + 100 Γ· 4 = 62 + ?
- What will come in place of (?), in the given expression.
144 Γ· β36 + 13Β² β 100 = ? 3 β(432 β 13 + 9 Γ 32) = ?
34 × 2.5 + 6.4 × 1.5 – 4.8 × 1.2 =?
What will come in place of (?) in the given expression.
[(24 Γ· 3) + (18 Γ 2)] - 5 = ?342 β 232 + 256 β 104 = ?
12.5% of 45 % of 480 + 957/29 = ? -14 Γ 15
75% of 65% of 7/5 of 2420 = ?