Numerical Reasoning test is a set of multiple choice questions and answers that assesses your ability to deal with numbers quickly and accurately. This test contains questions that assess your knowledge of concepts such as arithmetics, percentages, ratios, averages, simplification, algebra, logarithm etc.
Practise with our Numerical Resoning test questions to help you know what to expect, improve your speed and confidence and be really prepared for the actual test.
4
5
6
7
Correct answer is C
Clearly, the black cards are either clubs or spades while the red cards are either diamonds or hearts.
Let the number of spades be x. Then, number of clubs = (7 - x).
Number of diamonds = 2 x number of spades = 2x;
Number of hearts = 2 x number of diamonds = 4x.
Total number of cards = x + 2x + 4x + 7 - x = 6x + 7.
Therefore 6x + 7 = 13 ⇔ 6x = 6 ⇔ x = 1.
Hence, number of clubs = (7 - x) = 6.
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