Number System The Twenty-First Century will start on January 1 in the year 2001 2100 2101 2000 2001 2100 2101 2000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 7 9 8 10 7 9 8 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System (800 / 64) * (1296 / 36) = ? 420 460 None of these 500 420 460 None of these 500 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 92 103 99 95 92 103 99 95 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 693 6893 6993 6093 693 6893 6993 6093 ANSWER DOWNLOAD EXAMIANS APP
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 65 78 34 23 65 78 34 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
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