Number System (12.11)2 + (?)2 = 732.2921 14.2 20.2 24.2 17.2 14.2 20.2 24.2 17.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 81 83 84 82 81 83 84 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System In a pair of fractions, fraction A is twice the fraction B and the product of two fractions is 2/25. What is the value of fraction A? Data inadequate 1/5 2/5 1/25 Data inadequate 1/5 2/5 1/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A = 2B => B = 1/2 A, so, AB = 2/25 1/2 A2 = 2/25A2 = 4/25 A = 2/5
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 3/5 4/5 2/5 1/5 3/5 4/5 2/5 1/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 3366 1366 4366 2366 3366 1366 4366 2366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
Number System Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 27 36 18 30 27 36 18 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
EXAMIANS