Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 77/73 93/77 83/77 73/77 77/73 93/77 83/77 73/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ? 2871 1456 4098 3016 2871 1456 4098 3016 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016
Number System What is the sum of all the prime numbers from 20 to 40? 120 118 119 117 120 118 119 117 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System 35 + 15 * 1.5 = ? 57.5 51.5 5.25 75 57.5 51.5 5.25 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
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. 30 50 25 125 30 50 25 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 23 20 22 21 23 20 22 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
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