Related Questions

The average of five numbers is 6.9. If one of the numbers is deleted, the average of the remaining numbers is 4.4. What is the value of the number deleted?
A 6.8
B 7.4
C 12.5
D 16.9
Cascading updates refers to child rows being automatically deleted when a parent row is deleted.
A True
B False
John, twelve years old, is three times as old as his brother. How old will John be when he is twice as old as his brother?
A 15
B 16
C 18
D 20
12 year old Manick is three times as old as his brother Rahul. How old will Manick be when he is twice as old as Rahul?
A 14 years
B 16 years
C 18 years
D 20 years
Arif is 4 times as old as Bobby,in 6 years, Bobby will be twice as old as Sara. Four years from now Arif will be 36 years old,how old will Sara be in 5 years?
A None
Mary, who is sixteen years old, is four times as old as her brother , How old will Mary be when she is twice as old as her brother?
A 20
B 24
C 25
D 26
Which directive determines whether PHP scripts on the server can accept file uploads?
A file_uploads
B file_upload
C file_input
D file_intake
X will be half as old as Y in 3 years . X will also be one-third as old as Z 5 years, If Z is 15 years older than Y, how old is X?
A 6
B 7
C 8
D 9
Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
A Calcium sulphate
B Sodium chloride
C Sodium sulphate
D Magnesium chloride
Anion exchanger is regenerated usually with
A NaOH
B H2SO4
C Hydrazine
D Alum solution

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