Number System What is the difference between the local value of 7 and 5 in the number 2574? 570 413 403 430 570 413 403 430 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System (12)² - (4.4)² - (0.04)² = ? 125.6384 129.6384 131.6384 124.6384 125.6384 129.6384 131.6384 124.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 131 101 121 111 131 101 121 111 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
Number System A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit? 21 17 14 33 21 17 14 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
Number System 3251 + 587 + 369 - ? = 3007 1250 1200 1375 1300 1250 1200 1375 1300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 54 25 45 35 54 25 45 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
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