Number System 2536+4851—?=3450+313 5243 4567 6784 3624 5243 4567 6784 3624 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System What is the value of ? in the following equations ? 72/? = ?/50 100 40 60 80 100 40 60 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 120 180 60 260 120 180 60 260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 125 25 50 30 125 25 50 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 9 8 11 10 9 8 11 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 6093 693 6993 6893 6093 693 6993 6893 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS