Number System 35%of ?=242 542 394 487 693 542 394 487 693 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 1/5 2/5 4/5 3/5 1/5 2/5 4/5 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 13 15 11 17 13 15 11 17 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 The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ? 82.5 84.5 83.5 85.5 82.5 84.5 83.5 85.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 165x - y = 92x = 174 ∴ x = 87 and y = 78∴ x + y/2 = 165/2 = 82.5
Number System Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5. 219 197 187 207 219 197 187 207 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 Complete the series : 1, 8, 27, 64, 125, 216 ..... 363 343 373 353 363 343 373 353 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343