Number System Find the least number with which 16200 should be multiplied, to make it a perfect cube. 45 360 48 36 45 360 48 36 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of the present age of a father and a son is 60 years. Five years before, the age of the father was four times that of son. What is the present age of the son ? 21 years 15 years 18 years 25 years 21 years 15 years 18 years 25 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the father's age be x and son's age yTherefore, x + y = 60 ....................(i)Five years back, (x - 5) = 4 (y - 5)x - 4y = - 15 ......................(2)Solving (1) and (2), x = 45 and y = 15
Number System 450% of a number is 4725. What is 82% of that number ? 851 871 841 861 851 871 841 861 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient? 12 0 20 13 12 0 20 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2675 2875 None of these 2725 2675 2875 None of these 2725 ANSWER DOWNLOAD EXAMIANS APP
Number System (12.11)2 + (?)2 = 732.2921 20.2 17.2 14.2 24.2 20.2 17.2 14.2 24.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
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