Number System 65% of 320+?=686 481 480 478 479 481 480 478 479 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System If a number is subtracted from its square we get 272. Find the number? 22 14 17 24 22 14 17 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
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 95 litre 85 litre 80 litre 90 litre 95 litre 85 litre 80 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 Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 160 240 140 180 160 240 140 180 ANSWER DOWNLOAD EXAMIANS APP
Number System The population of a town increases by 15% in the first year and decreases by 25% in the second year. If its current population is 168480 then what will be its population after two years ? 145214 145914 145314 145714 145214 145914 145314 145714 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Population of the town= 168480 x 115/100 x 75/100= 145314
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 21 18 12 28 21 18 12 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21