Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 69 65 74 61 69 65 74 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the two consecutive odd numbers be 2x - 1 and 2x + 1.(2x - 1) (2x - 1) = 4095= 4x² - 1 = 4095= 4x² = 4096= x² = 1024∴ x = 32∴ The numbers are 63 and 65.Greater number = 65
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 114 116 118 112 114 116 118 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 432 times 119 ? 51408 52408 50408 53408 51408 52408 50408 53408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
Number System The number of prime factors of (6)10×(7)17×(55)27 41 91 61 101 41 91 61 101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System 75% of 250 - ?% of 380 = 54.5 31 39 35 33 31 39 35 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 250 x 75/100 - 380 x ?/100 = 54.5= 250 x 75 - 380 x ?= 54.5 x 100= 18750 - 380 x ?= 5450= 380 x? = 18750 - 5450= 13300= ? = 13300/380 = 35
Number System 3251 + 587 + 369 - ? = 3007 1375 1200 1250 1300 1375 1200 1250 1300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
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