Number System 124, 235, 447, 760, 1174, ? 1589 1489 1689 1389 1589 1489 1689 1389 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP +111, +212, +313, +414
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 180 260 120 60 180 260 120 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: None of these 20 40 30 None of these 20 40 30 ANSWER DOWNLOAD EXAMIANS APP
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 62, 18 65, 15 64, 16 60, 20 62, 18 65, 15 64, 16 60, 20 ANSWER DOWNLOAD EXAMIANS APP
Number System 1089/? = ?/1296 1188 1278 1348 1082 1188 1278 1348 1082 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 75 77 78 76 75 77 78 76 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
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