Question
If the letters of the word HORIZON be arranged at
random, what is the probability that all the vowels are together?Solution
S = 7!/2! = (7 × 6 × 5 × 4 × 3 × 2 × 1 )/(2 × 1)= 2520 Let E= event of getting all vowels are together n(E) = (5!x3! )/2! = 360 ∴ P (E) = (n(E))/(n(S)) = 360/2520 = 1/7
In computer networks, what does the term 'IP' stand for?
Statements: V ≥ O ≥ S = A > J, M < Y = P ≤ O > R
Conclusion:
I. O > M
II. A ≥ M
III. V > RÂ Â
Select the correct combination of mathematical signs that can sequentially replace '*' sign and balance the equation given below.
324 * 6 * 114 *...
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Each even digit in the number 245367 is replaced by the next higher digit and each odd digit is replaced by the previous lower digit and the digits obta...
Dog , Fish , Mammal
If all the letters of the word ' HAMPERS' Â are arranged in alphabetical order from left to right then how many letters will retain their original posit...
- The difference between a discount of 40% and two successive discounts of 30% on a certain bill was ₹220. Find the amount of the bill (in ₹).
Which word/number is third to the right of eighth element from right end in step-III?Â
- The price of a product is first reduced by 15% and then increased by 25%. If the final price is ₹690, then find the original cost price.
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