Number System Find the number of factors of 300 excluding 1 and itself. 15 16 18 14 15 16 18 14 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5. 207 219 197 187 207 219 197 187 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.
Number System 5358 * 51 = ? 273358 273268 273258 273348 273358 273268 273258 273348 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 17 13 15 11 17 13 15 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System What is 50% of 40% of Rs. 3,450? 640 690 670 630 640 690 670 630 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System {3√4913}² = ? 289 225 333 121 289 225 333 121 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
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