Related Questions

In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?
A 15/25
B 31/50
C 11/25
D 9/50
'Clogged blood vessels can be cleaned out' suggests-
A removing the blood vessels
B having a bypass surgery
C getting rid of the blockage
D replacing with new vessels
Blood is cleaned by ------.
A lungs
B liver
C heart
D kidneys
An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is
A B or A
B AB or A
C A or O
D AB or B
Person having blood group 'B' can donate the blood to person having blood group
A A and O
B B and O
C A and AB
D B and AB
A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion?
A O, Rh-
B O, Rh+
C AB, Rh-
D AB, Rh+
If female members use the facility on a day that the pool is cleaned , which of the following must be true?
A The pool is cleaned on Tuesday .
B The equipments maintenance is done on Thursday .
C The pool is cleaned on Wednesday.
D The equipment maintenance is done on Wednesday.
Dry cleaning is the process _ clothes are cleaned in liquids other than water
A by
B which througth
C by which
D through
Assume that the equipments maintenance is is done on consecutive instead of nonconsecutive days but that all other scheduling policies are unchanged . For how many of the six days can it be determined both whether the pool is cleaned and whether the equipments maintenance is done ?
A two
B three
C four
D five
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by
A Washing it with water
B Rubbing on wood
C Washing it with dilute acid
D Using file card

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