Number System If 5/7 of a number is 145, what is 180% of that number ? 375.4 365.4 345.4 355.4 375.4 365.4 345.4 355.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43883 70983 43893 43983 43883 70983 43893 43983 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 1/5 3/5 2/5 4/5 1/5 3/5 2/5 4/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
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% ? 90 litre 80 litre 85 litre 95 litre 90 litre 80 litre 85 litre 95 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 450% of a number is 4725. What is 82% of that number ? 841 851 871 861 841 851 871 861 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System The product of two successive numbers is 4556. Which of the following is the larger of the two numbers? 78 67 63 68 78 67 63 68 ANSWER DOWNLOAD EXAMIANS APP
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