If a card is drawn from a pack of cards, what is the probability of getting a black coloured card?
To establish which type of correlation a mathematics teacher must have, versatile knowledge of basic elements of different subjects?
Incidental correlation
Systematic correlation
Both (1) and (2)
None of these
A bag contains 5 red balls, 8 white balls, 4 green balls and 7 black balls. If one ball is drawn at random find the probability that it is not green
What will come in place of question mark (?)
120
1.2
12
0.12
C.
12
If the price of an item A is 25% less than that of the item B. How much per cent is the price of B more than that of A ?
50
25
The expression x2 - 2xy + y2 - x + y has one
factor which is
x - y = 1
x + y = 1
x - y - 1
x + y + 1
Bhaskara's book 'Leelavati' was translated
into English by
James taylor
Mark taylor
A.I. Babham
None of these