Number System Find the number of factors of 300 excluding 1 and itself. 16 18 15 14 16 18 15 14 ANSWER DOWNLOAD EXAMIANS APP
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 116 114 118 112 116 114 118 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System What is the least number, which is perfect square but contains 2700 as its factor? 10800 1800 5400 2700 10800 1800 5400 2700 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
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 1827÷ 36 x ?=162.4 4.3 2.6 1.9 3.2 4.3 2.6 1.9 3.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
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? 78 65 23 34 78 65 23 34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
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