Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 750 550 650 850 750 550 650 850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 344 388 296 252 344 388 296 252 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 In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ? 18 24 28 22 18 24 28 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ y = 3x + 2 .......(i)And, x + y = 10 ......(ii)From (i) and (ii), x = 2, y = 8∴ Number = 28
Number System Complete the series : 81, 69, 58, 48, 39 ........ 29 28 30 31 29 28 30 31 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 54 45 25 35 54 45 25 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 90 60 160 120 90 60 160 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
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