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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.
1.
A wheel of a car of radius 21 cms is rotating at 600 RPM. What is the speed of the car in km/hr?
A) 79.2 km/hr
B) 47.52 km/hr
C) 7.92 km/hr
D) 39.6 km/hr
E) 3.96 km/hr
2.
The average of 5 consecutive integers starting with m as the first integer is n. What is the average of 9 consecutive integers that start with m+2?
A) m + 4
B) n + 6
C) n + 3
D) m + 5
E) n + 4
3.
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?
A) 11236
B) 11025
C) 14400
D) 12696
E) Cannot be determined
4.
If 10, 12 and 'x' are sides of an acute angled triangle, how many integer values of 'x' are possible?
7
12
9
13
11
5.
If the mean of numbers 28, x, 42, 78 and 104 is 62, then what is the mean of 128, 255, 511, 1023 and x?
A) 395
B) 275
C) 355
D) 415
E) 365
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