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massi

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  1. fantastic dude!!! mind blowing ...... congrats. will be looking forward to read your post wth further details.
  2. Great post Congrats on your score.
  3. agree with the ans 22 l
  4. massi

    Women

    the total no of people = 160 Let the no. of people who left the room = x Therefore the no. of people remaining in the room = 160-x Of 160 people, 155 are women = 24 Of the x people who left the room 30% were women = 30% (x) Of the remaining people in the room (160 – x) 10% are women = 10% (160-x) ð 30% (x) + 10% (160 – x) = 24 ð solving for x ð x =40
  5. surface area of a cube with side A= 6A^2 the other cude is twice as long as the painted cube = 2A surface area of the new cube= 6(2A)^2 = 24A^2 for the surface area of 6A^2 it takes 1/2 pint => for 24A^2 it takes 2pint ans: 2pint
  6. s=t^2=t for 4secs, s=4^2+4 = 20 for 2secs, s=2^2+2 = 6 difference in speed = 20-6 =14 ans 14
  7. ans :a would solve it the same way as arjmen rather that assuming the triangle to be 30-60-90
  8. thanks arjmen. even i wasnt able to solve for the upper limit
  9. i agree with lego. we have to look for shortcuts to save time. besides this is the best and the simplest way to solve the problem.
  10. area= 1/2*base* height base= ab= 2-(-4) = 6 height = c given area= 21 => 1/2* 6*c =21 c = 7
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