GMAT-Quantitative Aptitude

GMAT-Quantitative Aptitude
141. There are 6 boxes numbered 1, 2,...6. Each box is to be filled up either with a red or a green ball in such a way that at least 1 box contains a green ball and the boxes containing green balls are consecutively numbered. The total number of ways in which this can be done is
  • 5
  • 21
  • 33
  • 60
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142. What is the value of 1*1! + 2*2! + 3!*3! + ............ n*n!, where n! means n factorial or n(n-A(n-2)...1
  • n(n-A(n-A!))
  • (n+A!)/(n(n-A))
  • (n+A! - n!)
  • (n + A! - 1!)
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143. There are 5 Rock songs, 6 Carnatic songs and 3 Indi pop songs. How many different albums can be formed using the above repertoire if the albums should contain at least 1 Rock song and 1 Carnatic song?
  • 15624
  • 16384
  • 6144
  • 240
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144. In how many ways can the letters of the word MANAGEMENT be rearranged so that the two As do not appear together?
  • 10! - 2!
  • 9! - 2!
  • 10! - 9!
  • None of these
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145. How many five digit numbers can be formed using the digits 0, 1, 2, 3, 4 and 5 which are divisible by 3, without repeating the digits?
  • 15
  • 96
  • 216
  • 120
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146. How many words can be formed by re-arranging the letters of the word PROBLEMS such that P and S occupy the first and last position respectively?
  • 8! / 2!
  • 8! - 2!
  • 6!
  • 8! - 2*7!
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147. Four dice are rolled simultaneously. What is the number of possible outcomes in which at least one of the die shows 6?
  • 6! / 4!
  • 625
  • 671
  • 1296
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148. A trader makes a profit equal to the selling price of 75 articles when he sold 100 of the articles. What % profit did he make in the transaction?
  • 33.33%
  • 75%
  • 300%
  • 150%
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149. A merchant buys two articles for Rs.600. He sells one of them at a profit of 22% and the other at a loss of 8% and makes no profit or loss in the end. What is the selling price of the article that he sold at a loss?
  • Rs. 404.80
  • Rs. 440
  • Rs. 536.80
  • Rs. 160
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150. A trader professes to sell his goods at a loss of 8% but weights 900 grams in place of a kg weight. Find his real loss or gain per cent.
  • 2% loss
  • 2.22% gain
  • 2% gain
  • None of these
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