Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 240 160 140 180 240 160 140 180 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 388 252 296 344 388 252 296 344 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four numbers be x, x + 2, x + 4 and x + 6.=> x + x + 2 + x + 4 + x + 6 = 36=> 4x + 12 = 36 => x = 6The numbers are 6, 8, 10 and 12.Sum of their squares = 62 + 82 + 102 + 122 = 36 + 64 + 100 + 144 = 344.
Number System What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345? 2435 2105 2345 5243 2435 2105 2345 5243 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2000 + 300 + 40 + 5 = 2345
Number System [(18.6 x 4.5) + (7.8 ÷ 0.24)] ÷ 3.2 = ? 46.3125 36.3125 25.3125 26.3125 46.3125 36.3125 25.3125 26.3125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 83.7 + 32.5/3.2 = 116.2/3.2 = 36.3125
Number System 0.333 .... × 0.444 .... is equal to 0.148148148 .... 0.777 .... 0.121212 .... 1.333 .... 0.148148148 .... 0.777 .... 0.121212 .... 1.333 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
Number System 3251 + 587 + 369 - ? = 3007 1375 1300 1250 1200 1375 1300 1250 1200 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
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