Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 9 7 4 1 9 7 4 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System 3251 + 587 + 369 - ? = 3007 1250 1300 1375 1200 1250 1300 1375 1200 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? 160 140 150 170 160 140 150 170 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 12 16 14 10 12 16 14 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 11 10 9 8 11 10 9 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System What is the least number that should be added to 5200 to make it a perfect square ? 288 275 225 129 288 275 225 129 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.