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
In PHP, the difference between double quote and single quote is that variables . . . . in single quoted strings whereas they . . . . . in double quoted strings.
A are not parsed, are parsed
B are parsed, are not parsed
C are class, are not class
D are variables, are not variables
Andy solves problems 74 to 125 inclusive in a Math exercise . How many problems does he solved?
A 51
B 52
C 53
D 50
12 students working for 5 hours a day can solve a certain number of problems in 8 days. How many students are needed to solve. Five times the original number of problems, if they work at 4 hours a day for 15 days?
A 90
B 45
C 95
D 40
Sohana's mathematics test had 75 problems i.e. 10 arithmetic, 30 algebra and 35 geometry problems each carrying I mark She answered 70% of the arithmetic, 40% of the algebra and 60% of the geometry problems correctly. She did not pass the test as she got less than 60% marks. How many more questions she would have needed to answer correctly to earn a 60% passing grade?
A 5
B 10
C 15
D 20
Critical problems cannot be solved by the—.
A rule of thumb
B rule of hand
C a penelopes web
D the pros and cons
The INC for the first time passed the resolutions on Swaraj, Boycott and National Education at its annual session held at
A Banaras (1905)
B Calcutta (1906)
C Surat (1907)
D Madras (1908)
Which device uses much less computer time than the light pen and gives resolutions equal to that of the CRT display.
A Mouse
B Touch tablet
C Touch panel
D Data tablet
E None of the above
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+

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