Number System A number exceeds by 25 from its 3/8 part. Then the number is? 32 35 40 39 32 35 40 39 ANSWER DOWNLOAD EXAMIANS APP
Number System What will be the next number in the following number series ? 191 177 182 162 191 177 182 162 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System ?2704 x ?2209=? 1444 3444 4444 2444 1444 3444 4444 2444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 75 76 74 73 75 76 74 73 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 If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BAT CAT BED CAR BAT CAT BED CAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: 42 81 24 18 42 81 24 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's and unit's digit be x and 8/x respectively. Then, (10x + 8/x) + 18 = 10 * 8/x + x 9x2 + 18x - 72 = 0 x2 + 2x - 8 = 0 (x + 4)(x - 2) = 0 x = 2 So, ten's digit = 2 and unit's digit = 4. Hence, required number = 24.
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