A hemispherical bowl of internal diameter 54 cm contains a liquid. The liquid is to be filled in cylindrical bottles of radius 3 cm and height 9 cm, then find the number of bottles that can be filled?
(A) 324
(B) 228
(C) 81
(D) None of these
What are the roots of the equation log10(x2-6x+45) =2?
(A) 9, - 5
(B) -9, 5
(C) 11, -5
(D) -11, 5
If α and β are the roots of equation x2 - 2x + 4 - 0, then what is the equation whose roots are α3/β2 and β3/α2?
(A)
(B)
(C)
(D)
If the difference between the roots of the equation Ax2+BX+C = 0 is 4, then which of the following is TRUE?
(A)
(B)
(C)
(D)
Find out the value of a when
(A) 2
(B) 0
(C) 3
(D) -1
If α and β are the roots of the equation x2 + x - 1 = 0, then what is the equation whose roots are and α5 and β5 ?
(A)
(B)
(C)
(D)
The median of the number 14, 12, 12, 16, 13 and 18 is:
(A) 13
(B) 14
(C) 14.5
(D) 13.5
The mean of four different observations is 17.5. When a new observation whose value 20 is added, what will be the new mean?
(A) 18
(B) 17.5
(C) 19
(D) 18.5
A set of data is given. The mean of the set is 35 while the median is set as 60. Find the mode of the data.
(A) 25
(B) 30
(C) 20
(D) 110
The value of P + Q in the following table is-
(A) 58
(B) 40
(C) 66
(D) 60
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