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GMAT Math practice - (5/36 questions - random)
GMAT practice questions. Once you complete the quiz you will see your score and explanation of the correct answer.
The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the two new students who joined the group?
A) 22 years
B) 30 years
C) 44 years
D) 32 years
E) None of these
Set A contains all the even numbers between 2 and 50 inclusive. Set B contains all the even numbers between 102 and 150 inclusive. What is the difference between the sum of elements of set B and that of set A?
For what range of values of 'x' will the inequality 15x -
A) x > 0.4
B) x < 1/3
C) -1/3 < x < 0.4, x > 15/2
D) -1/3 < x < 0, x > 2/5
E) x < -1/3 and x > 2/5
A lady grows cabbages in her garden that is in the shape of a square. Each cabbage takes 1 square feet of area in her garden. This year, she has increased her output by 211 cabbages as compared to last year. The shape of the area used for growing the cabbages has remained a square in both these years. How many cabbages did she produce this year?
E) Cannot be determined
What is the radius of the incircle of the triangle whose sides measure 5, 12 and 13 units?
A) 2 units
B) 12 units
C) 6.5 units
D) 6 units
E) 7.5 units
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