Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 693 6893 6993 6093 693 6893 6993 6093 ANSWER DOWNLOAD EXAMIANS APP
Number System In a 150-litre mixture of milk and water, the percentage of milk is 84%. How much water should be added so that the percentage of milk becomes 52.5% ? 85 litre 80 litre 95 litre 90 litre 85 litre 80 litre 95 litre 90 litre ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In 150 litre, milk is 84%ie 150 x 84/100 = 126 litre Let us add x litres of waterTherefore, the quantity of mixture = 150 + x∴ 52.5% of (150 + x) = 126 litres 150 + x = 126x100/52.5 = 240 litres∴ x = 240 - 150 = 90 litres
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 2883 6489 2893 3892 2883 6489 2893 3892 ANSWER DOWNLOAD EXAMIANS APP
Number System 8988 / 8 / 4 = ? 280.875 2247 4494 561.75 280.875 2247 4494 561.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 15, 20 21, 26 20, 25 30, 25 15, 20 21, 26 20, 25 30, 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System What will be the next number in the following number series ? 182 162 191 177 182 162 191 177 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
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