Number System (4 86%of 6500) ÷ 36 =? 677.5 977.5 777.5 877.5 677.5 977.5 777.5 877.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System (√6 + 1)² = ? + 2√6 8 6 5 7 8 6 5 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 The average of 7 numbers is 15, that of the first three is 6 and that of the last three is 23. What is the fourth number? 15 13 18 7 15 13 18 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4th No. = (Total of 7 Nos) - (Total of first three + total of last 3) = (15 x 7) - (6 x 3 + 23 x 3) = 105 - (18 + 69) =105 - 87 = 18
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 10, 5 11, 6 12, 9 12, 7 10, 5 11, 6 12, 9 12, 7 ANSWER DOWNLOAD EXAMIANS APP
Number System How many numbers up to 100 and 300 are divisible by 11? 22 21 18 20 22 21 18 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (300 – 100)/11 = 200/11 = 18 2/1118 Numbers
Number System {(742)² ÷ 36} ÷ 2 = ? 423.5 420.5 422.5 421.5 423.5 420.5 422.5 421.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
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