Number System (2560 x 1.4) +(7400 x 0.6) =? 9160 7234 8024 6543 9160 7234 8024 6543 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
Number System √(17)² + (17)² + (5)² - 2 = ? 19 17 18 16 19 17 18 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System If (74)² is added to the square of a number the answer so obtained is 7780. What is the number ? 47 50 49 48 47 50 49 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.or, x² + (74)² = 7780or, x² = 7780 - 5476 = 2304∴ x = 48
Number System 666 / 6 / 3 = ? 37 111 333 84 37 111 333 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 666 * 1/6 * 1/3 = 37
Number System A basket contains 5 blue, 4 green and 3 red ball. If three balls are picked at random, what is the probability that at least one is red ? 34/55 32/51 37/52 31/58 34/55 32/51 37/52 31/58 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Probability of having no red ball is9C3 / 12C3 = 21/55Probability of having at least one red ball is 1 - 21/55 = 34/55
Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 93/77 77/73 83/77 73/77 93/77 77/73 83/77 73/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
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