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  1. Haris Bin Zahid

    Nice avatar!

    Nice avatar!
  2. Haris Bin Zahid

    Add Math help needed!

    Snowysangel and scouserlfc: Your help needed in this question. Given that n(E)=23, n(A ∩ B)=x, n(A)=y, n(B)=2y and n(A' ∩ B')=7, find the least possible value of y. The answer is 6. How to do it????:( Note: n(E) is for the universal set.
  3. Haris Bin Zahid

    Please be kind and spend generously for the poor this Ramadan.

    Please be kind and spend generously for the poor this Ramadan.
  4. Haris Bin Zahid

    You can do anything if you put your focus on how to do it rather than on why you can't!

    You can do anything if you put your focus on how to do it rather than on why you can't!
  5. Haris Bin Zahid

    Statistics or Business Studies?

    Statistics!
  6. Haris Bin Zahid

    Biology; Chemistry; Physics: Post your doubts here!

    November 2001/Paper 1/Question 9
  7. Haris Bin Zahid

    Thnx for the likes!

    Thnx for the likes!
  8. Haris Bin Zahid

    Biology; Chemistry; Physics: Post your doubts here!

    But the redspot book says the answer is 300!!!!!!!!!! scouserlfc: Your help needed man!
  9. Haris Bin Zahid

    The sin which makes you sad and repentant is more liked by Allah than the good deed which turns...

    The sin which makes you sad and repentant is more liked by Allah than the good deed which turns you arrogant!
  10. Haris Bin Zahid

    Biology; Chemistry; Physics: Post your doubts here!

    A person exerts a horizontal force of 500N on a box, which also experiences a friction force of 100N. How much work is done against friction when the box moves a horizontal distance of 3 m? Is the answer 1200 J or 300 J?
  11. Haris Bin Zahid

    Add Math help needed!

    Nah, you noted the wrong question. The equation is: 18 + 62 e^-t/8 There's some sort of misprinting.....Check question number 19 in Miscellaneous Exercise 3 in "New Additional Mathematics" book by Ho Soo Thong and Khor Nyak Hiong! It states the correct question.:D:cool: By the way from where did...
  12. Haris Bin Zahid

    Add Math help needed!

    If yes, then here's the solution: (i) lg x + lg (5x + 5) = 2 lg x + lg (5x + 5) = lg 10^2 Using the Product law, we have: lg (5x^2 +5x) = lg 100 So, 5x^2 +5x = 100 Now you'll get two solutions. Choose the one value for the which the logarithm is defined. The answer should be x=4. (ii) 3^(y+1)...
  13. Haris Bin Zahid

    Add Math help needed!

    Is this the question: (i) lg x + lg[5(x+1)] = 2 (ii) 3^(y+1)=0.45
  14. Haris Bin Zahid

    Biology; Chemistry; Physics: Post your doubts here!

    Ok thnx. I got a clue now of how to solve it. But where to apply the empirical formula method?
  15. Haris Bin Zahid

    Biology; Chemistry; Physics: Post your doubts here!

    Yeah. But how?
  16. Haris Bin Zahid

    Add Math help needed!

    Tell me the topic from which it is from or just post the question! I have a Classified Ad. Maths past papers book which has summer 97 questions!
  17. Haris Bin Zahid

    Biology; Chemistry; Physics: Post your doubts here!

    No it isn't.:p How can that be? That's the only option u can ignore straight away. Chlorine has a valency of -1 and so it can never be X2Cl. What about the remaining three options?
  18. Haris Bin Zahid

    Biology; Chemistry; Physics: Post your doubts here!

    scouserlfc: Man I think everyone is out on vacations and you can only help me in solving this Chemistry MCQ: Q. Silver ions react with chloride ions. Ag+ + Cl- -----> AgCl It was found that 10 cm3 of a 0.05 mol/dm3 solution of the chloride of a metal, X, needed 10 cm3 of a 0.1 mol/dm3 silver...
  19. Haris Bin Zahid

    Biology; Chemistry; Physics: Post your doubts here!

    Need help in Q2. Shouldn't the answer be A? Bcz distance from the pivot is greatest in A.
  20. Haris Bin Zahid

    Talking calculators?

    OMG, you are a genius! Although your way is right, but it's too complex . Simply subtract 350 from the number. The first 3 or 4 digits is the age and the last 1 or 2 digits is the age! So the formula is: K - 350 = 100 A + age E.g. if Dashing Cancerian posted 71664. Here's how it is done...
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