Mathematics MCQ Question and Answer

Mathematics MCQ Question and Answer
31. If 8 tan x = 15, then value, of (sin x — cos x) is—

  • 8/17
  • 17/7
  • 1/17
  • 7/17
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32. A man sold goods at a profit of 20%. If he buys it for 20% less and’ sells it for Rs. 5 less, then he gets 25% profit. Find the cost price of the goods.
  • Rs. 30
  • Rs. 60
  • Rs. 25
  • Rs. 40
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33. What is the H.C.F. of a2b2 c6 b3 c8a4 and a8b6c2?
  • a4b4c4
  • a2b2c2
  • a2b3c2
  • a2b3c3
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34. In the mixture of 20 kg milk and water, 15% is water. If 5 liters water is added to it, then what will be percentage of milk in the mixture?
  • 10 %
  • 20 %
  • 15 %
  • 32 %
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35. If income of x is more than 20% of y’s income, then income of y is what per cent lesser than x’s income?
  • 25 %
  • 20 %
  • 16 2/3 %
  • 33 1/3 %
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36. A man sold two horses for Rs. 6000 each, in this transaction he gets 10% profit in first horse and 10% loss in second horse. What does he get in the whole transaction?
  • No profit no loss
  • 1 % profit
  • 1 % loss
  • 0.1 % loss
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37. 22x = 256, then what, is the value of x?
  • 4
  • 3
  • 2
  • 3
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38. If addition of roots is, 11 and multiplication of roots are 30, and then calculate the quadratic equation?
  • x 2—11 x—30 = 0
  • x 2—11 x + 30 = 0
  • x 2—30 x + 11 = 0
  • x 2 + 11 x + 30 = 0
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39. Find the difference in compound interest and simple interest of Rs. 400 at the rate of 5% per annum for 2 years.

  • Re. 1
  • Rs. 2
  • Rs. 3
  • Rs. 4
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40. Equation 2x2 — 5x + 30 = 0, find the root?
  • Root is teal and dissimilar
  • Not real root
  • Root is real and equal
  • None of these
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