Number System What is the sum of all the prime numbers from 20 to 40? 117 119 118 120 117 119 118 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 78 75 76 77 78 75 76 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System 5358 * 51 = ? 273268 273348 273258 273358 273268 273348 273258 273358 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System How many numbers up to 200 are divisible by 2 and 3 both? 33 27 35 29 33 27 35 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ? 78 76 75 77 78 76 75 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is: +9, +11, +13, +15, +17
Number System (1024—263—233)÷(986—764— 156) =? None of these 6 10 8 None of these 6 10 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
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