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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.1.  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.

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

PROBABILITY-QUIZ OF THE DAY

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In a single throw of dice, 
find the probability that the number:


(i)                  will be an even number

(ii)                will not be an even number


(iii)              will be an odd number

What is the ratio of the numbers

Daily practice Math and live answers from educators! There are 47 female teachers and 18 male teachers at BHUVAN's ACADEMY. What is th...