Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 74 65 69 61 74 65 69 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 √207.36 = ? 15.7 14.4 16.7 12.3 15.7 14.4 16.7 12.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √207.36 = √20736/√100 = 144/10 = 14.4
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 725 640 775 750 725 640 775 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System Which is the smallest fractions among the following ? 15/19 13/15 27/31 11/13 15/19 13/15 27/31 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
Number System ?125÷5x ?=6265 153 1452 1253 124 153 1452 1253 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 525 820 987 1224 525 820 987 1224 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of days from Jan 1 to Feb 11th= 31 + 11 = 42 days = 6 weeks∴ Total eggs =17 x 12 x 6 = 1224
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