Number System (√6 + 1)² = ? + 2√6 8 5 6 7 8 5 6 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1192 1082 1092 1200 1192 1082 1092 1200 ANSWER DOWNLOAD EXAMIANS APP
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 6489 3892 2893 2883 6489 3892 2893 2883 ANSWER DOWNLOAD EXAMIANS APP
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 967 897 977 987 967 897 977 987 ANSWER DOWNLOAD EXAMIANS APP
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 20 Cannot be determined 24 30 20 Cannot be determined 24 30 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 490 495 480 485 490 495 480 485 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
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