Number System 1089/? = ?/1296 1278 1082 1348 1188 1278 1082 1348 1188 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
Number System If 5/7 of a number is 145, what is 180% of that number ? 345.4 355.4 365.4 375.4 345.4 355.4 365.4 375.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N(N + 1)/2 N2 + 1 N(N + 1) N2 N(N + 1)/2 N2 + 1 N(N + 1) N2 ANSWER DOWNLOAD EXAMIANS APP
Number System A bag contains eighteen 25-paise coins, seventeen 50-paise coins, twentytwo one-rupee coins, nine 2-rupee coins and three 5-rupee coins. What is the total amount in the bag (Ans in rupees) ? Rs. 62 Rs. 74 Rs. 68 Rs. 79 Rs. 62 Rs. 74 Rs. 68 Rs. 79 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total = 18/7 + 17/2 + 22 + 9 x 2 + 3 x 5 = 4.5 + 8.5 + 22 + 18 + 15 = Rs 68
Number System 0.333 .... × 0.444 .... is equal to 1.333 .... 0.121212 .... 0.148148148 .... 0.777 .... 1.333 .... 0.121212 .... 0.148148148 .... 0.777 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 6489 2893 3892 2883 6489 2893 3892 2883 ANSWER DOWNLOAD EXAMIANS APP