Number System What is the least number, which is perfect square but contains 2700 as its factor? 1800 5400 2700 10800 1800 5400 2700 10800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 5.6 3.4 4.5 2.3 5.6 3.4 4.5 2.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 95 92 103 99 95 92 103 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System 3√103820 x 3√274620 = ? 3055 3065 3045 3035 3055 3065 3045 3035 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15? 13 9 1 11 13 9 1 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 45 + 31 = 76/15 = 1 (Remainder)
Number System Find the least value of 3x + 4y if x2y3 = 6. 7 10 6 3 7 10 6 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
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