Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 1366 3366 4366 2366 1366 3366 4366 2366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
Number System The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ? 1680 1480 1780 1580 1680 1480 1780 1580 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40 s = x + 6 = 42Therefore, Product = 1680
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? 10, 5 12, 9 11, 6 12, 7 10, 5 12, 9 11, 6 12, 7 ANSWER DOWNLOAD EXAMIANS APP
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 5 9 3 7 5 9 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 146 179 163 124 146 179 163 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System What is the sum of all the prime numbers from 20 to 40? 120 117 118 119 120 117 118 119 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120