Question
In a bag, there are 7 red balls, 5 black balls, and 9
green balls. If two balls are selected at random, what is the likelihood of picking one red ball and one black ball?Solution
Total number of balls in the bag = 7 + 5 + 9 = 21 Probability that a red ball and a black ball are drawn = 7C1 × 5C1/21C2 = 7 × 5/210 = 1/6
CE : 70 :: AF :?
Select the option that is related to the third number in the same way as the second number is related to the first number:
67: 871:: 57:?
- "Kangra Valley" is related to "Himachal Pradesh" in the same way as "Kangchenjunga Valley" is related to ________.
If 38 @ 9 = 66 and 63 @ 43 = 122, then 29 @ 57 = '?'.
Statement: M3 = N5 ≥ Q2 > R6 = W2 ≤ Z9
Conclusion:
I.M3 > R6
II.Z9 ≥ R6
- Select the option that is related to third number cluster in the same way second number cluster is related to first number cluster.
217 : 1000 :: 385 :... Identify the number, which when added to itself 15 times gives 608.
Select the option that is related to the third word in the same way as the second word is related to the first word.
(The words must be considered...If all the alphabets of alphabetical series are numbered as 26-1 from A-Z then what is the sum of the numbers of letters of the word “HUMBLE”?
Select the option that is related to the third number in the same way as the second number is related to first number and the sixth number is related t...
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