Number System If one-seventh of a number is 55 then 40% of that number = ? 171 147 163 154 171 147 163 154 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15? 11 1 13 9 11 1 13 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 45 + 31 = 76/15 = 1 (Remainder)
Number System ?125÷5x ?=6265 153 124 1452 1253 153 124 1452 1253 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
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 ? 24 18 28 22 24 18 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 If (74)² is added to the square of a number the answer so obtained is 7780. What is the number ? 50 47 48 49 50 47 48 49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.or, x² + (74)² = 7780or, x² = 7780 - 5476 = 2304∴ x = 48
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 4366 3366 2366 1366 4366 3366 2366 1366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
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