Number System (12.11)2 + (?)2 = 732.2921 14.2 24.2 20.2 17.2 14.2 24.2 20.2 17.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 625 712 824 920 625 712 824 920 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 How many numbers up to 200 are divisible by 2 and 3 both? 33 35 29 27 33 35 29 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5. 219 197 207 187 219 197 207 187 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.
Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 42 69 90 72 42 69 90 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 35 54 25 45 35 54 25 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
EXAMIANS