Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2675 2725 None of these 2875 2675 2725 None of these 2875 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of all the prime numbers from 20 to 40? 119 117 118 120 119 117 118 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 9 10 8 11 9 10 8 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System 3√68921 = ? 51 21 31 41 51 21 31 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
Number System What should come in the place of question mark (?) in the number series given below? 160 158 157 159 160 158 157 159 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
Number System If x + y = 61 and xy = 888, What is the value of x²+ y² ? 1975 1965 1945 1955 1975 1965 1945 1955 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because (x + y)² = x² + y² + 2xy∴ x² + y² = (x + y)² - 2xy∴ x² + y² = (61)² - 2 x 888= 3721 - 1776 = 1945
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