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
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!)
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
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
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
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!
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
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%
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
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