Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 170 169 168 171 170 169 168 171 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 12, 9 11, 6 12, 7 10, 5 12, 9 11, 6 12, 7 10, 5 ANSWER DOWNLOAD EXAMIANS APP
Number System 65% of 320+?=686 480 481 479 478 480 481 479 478 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 920 625 824 712 920 625 824 712 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 12 14 16 10 12 14 16 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System The digit in unit's place of a three digit number is thrice the digit in ten's place & the digit in hundred's place is two-third of the digit in ten's place. If the sum of three digits of number is 14 221 215 211 239 221 215 211 239 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x.∴ Unit's digit = 3xHundered's digit = 2x/3∴ x + 3x + 2x/3 = 14= 3x + 9x + 2x = 14 x 3= 14x = 14 x 3= x = 3∴ Number = 239
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