Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 32 None 24 18 32 None 24 18 ANSWER DOWNLOAD EXAMIANS APP
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 4098 3016 1456 2871 4098 3016 1456 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 will be the next number in the following number series ? 162 191 182 177 162 191 182 177 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 146 163 179 124 146 163 179 124 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 How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 36 48 56 52 36 48 56 52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 8 18 16 12 8 18 16 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
EXAMIANS