GMAT-Quantitative Aptitude

GMAT-Quantitative Aptitude
31. The population of a town was 3600 three years back. It is 4800 right now. What will be the population three years down the line, if the rate of growth of population has been constant over the years and has been compounding annually?
  • 6000
  • 6400
  • 7200
  • 9600
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32. A man invests Rs.5000 for 3 years at 5% p.a. compound interest reckoned yearly. Income tax at the rate of 20% on the interest earned is deducted at the end of each year. Find the amount at the end of the third year.
  • 5624.32
  • 5630.50
  • 5788.125
  • 5627.20
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33. The difference between the compound interest and the simple interest on a certain sum at 12% p.a. for two years is Rs.90. What will be the value of the amount at the end of 3 years?
  • 9000
  • 6250
  • 8530.80
  • 8780.80
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34. Vijay invested Rs.50,000 partly at 10% and partly at 15%. His total income after a year was Rs.7000. How much did he invest at the rate of 10%?
  • Rs.40,000
  • Rs.40,000
  • Rs.12,000
  • Rs.20,000
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35. A sum of money invested for a certain number of years at 8% p.a. simple interest grows to Rs.180. The same sum of money invested for the same number of years at 4% p.a. simple interest grows to Rs.120 only. For how many years was the sum invested?
  • 25 years
  • 40 years
  • 33 years and 4 months
  • Cannot be determined
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36. How long will it take for a sum of money to grow from Rs.1250 to Rs.10,000, if it is invested at 12.5% p.a simple interest?
  • 8 years
  • 64 years
  • 72 years
  • 56 years
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37. Rs. 5887 is divided between Shyam and Ram, such that Shyam's share at the end of 9 years is equal to Ram's share at the end of 11 years, compounded annually at the rate of 5%. Find the share of Shyam.
  • 2088
  • 2000
  • 3087
  • None of these
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38. Find the coordinates of the point which divides the line joining (5, -2) and (9, 6) internally in the ratio 1 : 3.
  • (6, 0)
  • (6, 3)
  • (0, 6)
  • (3, 6)
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39. Find the number of triangles in an octagon.
  • 326
  • 120
  • 56
  • Cannot be determined
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40. Find the equation of a line whose intercepts are twice of the line 3x - 2y - 12 = 0
  • 3x - 2y = 24
  • 2x - 3y = 12
  • 2x - 3y = 24
  • None of these
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