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Number of white balls = 35 Let x be the number of black balls. Total number of balls in the bag = 35 + x Also, the probability of drawing a black ball from the bag is 1.8 times that of drawing a white ball. ⇒ x/(35 + x) = 1.8[35/(35 + x)] ⇒ x = 1.8 × 35 = 63 Hence, the number of black balls in the bag = 63
127.08 – [17.02 + 3 of (6.50 – 0.5 × 2.02)] = ?
8 is related to 512 following a certain logic. Following the same logic, 12 is related to 1728. To which of the following is 15 related, following the s...
How many pages of book Z did Sania read on Sunday?
Statement 1 – The book has 300 pages out of which two-thirds were read by her before Sunday<...
The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are ...
Select the option that is related to the fourth term in the same way as the first term is related to the second term.
Song : Listener :: ? : Viewer
Which two numbers should be interchanged to make the given equation correct?
14 + 32 − 56 ÷ 28 × 5 = 40
In a certain code language, MILLION is written as IMLLOIN. How will HILTON be written as in that code language?
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and th...
Looking at the picture on the wall, he said "My sister-in-law S's husband Q's son N had a sister R". How is S related to R?
