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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 sum of the fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first 15 terms of the arithmetic progression?
If the price of gasoline increases by 25% and Ron intends to spend only 15% more on gasoline, by what % should he reduce the quantity of petrol that he buys?
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?
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
If both 11
are factors of the number a * 4
, then what is the smallest possible value of a?
E) None of the above
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