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appreciate

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  1. Please give the correct ans with explanation. We will be sort out our mistake.who will get the free subscription, please?
  2. 1. 5C3+5C3/10C3 2. 20/12P3 [A-J=10 possibility and reversely another 10 possibilities] 3. 10P2*8P2*6P2* 4P2 * 2P2= 10! 4. XCn X+1Cn+1 n+1 X+1 obviously X+1>n+1, So, Ans is B 5.12Cx+p=12Cx or, 12=x+p+x=2x+p putting the value of P in the 1st relation, All the value satisfy the relation except, © P=3
  3. Thanks for your advice. What book or exercise I should do?
  4. Any two-digit number divided by 99 becomes a decimal with that two-digit number repeating. for example: what is the 99-th digit after decimal of the value:2/9+3/11 the answer is 4. Can you?
  5. I want to make a good score in math, (around 800), because of good funding. I want to give exam in present format. What strategies can I take within this short period. I am not good in English. I have engineering background. Please help me urgently.
  6. I think this shud be 4*13C4*48C1/52C5. What is ur opinion?
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