Number System 3√103820 x 3√274620 = ? 3035 3055 3045 3065 3035 3055 3045 3065 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 75 76 77 78 75 76 77 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2 x 2 + 1 = 5;5 x 2 - 1 = 99 x 2 + 1 = 19: 19 x 2 - 1 = 3737 x 2 + 1 = 75
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 1 4 9 7 1 4 9 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43883 43983 70983 43893 43883 43983 70983 43893 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 36 24 27 21 36 24 27 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 12 28 160 180 12 28 160 180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, x + y = 20 and x - y = 8x2 - y2 = (x + y)(x - y) = 20 * 8 = 160.
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