Related Questions

Melinda's lights went out. She has 3 pairs of red socks in her drawer, 2 pairs of black socks, and 5 pairs of white socks. What is the minimum number of pairs she must remove from the drawer to ensure that she has a pair of each color
A 3
B 5
C 7
D 9
In a certain sock drawer, there are 4 pairs black socks, 3 pairs of back socks, 3 pairs of gray of gray socks and 2 pairs of corage socks. It socks removed at random without replaced, what is the minimum number of socks that must removes in order to ensure that two socks of the the same color have been removed?
A 11
B 4
C 3
D 7
When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
A T
B U
C V
D Z
The synonym of the world 'Helmet' is-
A Drama
B Tragedy
C Small village
D Metal instrument
Expert says 25% of of serious bicycle accidents involved head injury and that of all head injuries 80% are fatal. What percentage of serious bicycle accidents involve fatal head injuries?
A 16%
B 20%
C 55%
D 105%
Experts say that 25% of all serious bicycle accidents involve head injuries and of all such head injuries, 80% are fatal. What percentage of all serious bicycle accidents involve fatal head injuries?
A 6%
B 20%
C 55%
D 105%
If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by
A $${\text{H}} = \frac{{{\text{Hg}}}}{{{\text{hf}}}}$$
B H = Hg × hf
C H = Hg + hf
D H = Hg - hf
The static head of a centrifugal pump is equal to the _________ of suction head and delivery head.
A Product
B Difference
C Sum
D None of these
The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the
A Discharge
B Suction
C Suction minus vapor pressure of the liquid at suction temperature
D Discharge minus vapor pressure of the liquid at the discharge temperature
Which one is the following pairs is similar in relationship to'Curiosity : know'?
A Temptation : Conquer
B Wanderlust : Travel
C Starvation : Eat
D Humor : Laugh

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