Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 69 65 61 74 69 65 61 74 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 (√6 + 1)² = ? + 2√6 8 6 7 5 8 6 7 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 148 x 3.75 x 4 = 111 x ? 20 17 24 19 20 17 24 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
Number System A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform? Rs.85 Rs.80 Rs.90 Rs.100 Rs.85 Rs.80 Rs.90 Rs.100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 42 36 16 23 42 36 16 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System Find the number of factors of 300 excluding 1 and itself. 16 15 18 14 16 15 18 14 ANSWER DOWNLOAD EXAMIANS APP
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