Number System (√6 + 1)² = ? + 2√6 6 7 8 5 6 7 8 5 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 What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345? 2105 2435 2345 5243 2105 2435 2345 5243 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2000 + 300 + 40 + 5 = 2345
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1180 1120 1140 1160 1180 1120 1140 1160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 75 73 74 76 75 73 74 76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
Number System (2560 x 1.4) +(7400 x 0.6) =? 6543 9160 8024 7234 6543 9160 8024 7234 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
Number System 2536+4851—?=3450+313 4567 3624 6784 5243 4567 3624 6784 5243 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
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