Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 72 42 69 90 72 42 69 90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System 3√103823 = ? 52 47 41 44 52 47 41 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System 4550 ÷ 25% of ? = 130 140 130 135 125 140 130 135 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 70983 43983 43893 43883 70983 43983 43893 43883 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 21 27 24 36 21 27 24 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 What is the least number, which is perfect square but contains 2700 as its factor? 10800 1800 5400 2700 10800 1800 5400 2700 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
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