Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1140 1120 1180 1160 1140 1120 1180 1160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 8 11 9 10 8 11 9 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 2 1 3 4 2 1 3 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 3892 6489 2893 2883 3892 6489 2893 2883 ANSWER DOWNLOAD EXAMIANS APP
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 163 146 179 124 163 146 179 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 1 7 19 15 1 7 19 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
EXAMIANS