Number System Find the nearest to 25268 which is exactly divisible by 467? 25218 25308 25208 25228 25218 25308 25208 25228 ANSWER DOWNLOAD EXAMIANS APP
Number System (95.6x 910.3) ÷ 92.56256 = 9? 14.44 13.34 12.24 15.54 14.44 13.34 12.24 15.54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System 3√68921 = ? 31 21 51 41 31 21 51 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
Number System The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is: 84 72 48 54 84 72 48 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the second number be x. Then, first number = 2x and third number = 2x/3.2x + x + 2x/3 = 26411x/3 = 264x = 72
Number System In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 56 54 58 60 56 54 58 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP One girl can be chosen in 4C1 = 4 ways and 4 boys can be chosen in 6C4 = 15 ways ∴ Total number of ways = 4 x 15 = 60 ways.
Number System If a + b = 16 and ab = 68, what is the value of a² + b² ? 112 124 116 120 112 124 116 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a + b = 16 Therefore, (a+b)² = (16)² = 256 a² + b² + 2ab = 256Therefore, a² + b² = 256 - 2 x 68Therefore, a² + b² = 256 - 136 = 120
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