Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 30 20 None of these 40 30 20 None of these 40 ANSWER DOWNLOAD EXAMIANS APP
Number System Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is 44 56 72 38 44 56 72 38 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 72
Number System The digit in unit's place of a three digit number is thrice the digit in ten's place & the digit in hundred's place is two-third of the digit in ten's place. If the sum of three digits of number is 14 211 239 215 221 211 239 215 221 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x.∴ Unit's digit = 3xHundered's digit = 2x/3∴ x + 3x + 2x/3 = 14= 3x + 9x + 2x = 14 x 3= 14x = 14 x 3= x = 3∴ Number = 239
Number System If the difference between a number and its three-fourth is 18, find the number. 57 72 61 68 57 72 61 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 21 18 28 12 21 18 28 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System 432+2170+35=? 678 523 494 729 678 523 494 729 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
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