Sum of two natural numbers is 8 and
the difference of
their reciprocals is 2/15 
.
.
Find the
numbers.
18 Jun 2018
Quadratic Word problems-2
1
Five times a certain whole number
is equal to 3 less
than twice
the square of the number.
Find the number.
Quadratic Word problems
Find two natural numbers
which
differ by 3
and the sum
of their
whole squares
is 117.
14 Jun 2018
prob-quiz-11
\ Two dice are rolled together simultaneously. Find the
probability of:
(i)
Obtaining a total of at least 9.
(ii)
Getting a multiple of 2 on one die and a multiple of 3 on the other die.
(iii)
Getting a multiple of 3 as the sum.
(i)
Obtaining a total of at least 9.
(ii)
Getting a multiple of 2 on one die and a multiple of 3 on the other die.
(iii)
Getting a multiple of 3 as the sum.
22 Apr 2018
probability-quiz of the day
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In a T.T. match between Susan and Mary,
the
probability of winning of Mary is 0.73.
Find the probability of:
(i)
Winning of Susan
(ii)
Not winning of Mary
probability-quiz of the day
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(i)
If A and B are 2 complementary events then
what is the relation between
P(A) and P(B)?
(ii)
If the probability of happening of an event A is 0. 46,
What will be the
probability of not happening of event A?
probability-quiz of the day
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probability-quiz of the day
From a well shuffled deck of 52 cards,
one card is drawn.
Find the probability that the card drawn will:
(i) Be a black card
(ii) Not be a red card
(iii) Be a red card
(iv) Be a face card
(v) Be a face card of red colour
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