Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? 9 11 5 10 9 11 5 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 221 + 43 = 264/17 = 9 (Remainder)
Number System 106 * 106 - 94 * 94 = ? 1906 1904 2000 2400 1906 1904 2000 2400 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 5 7 11 3 5 7 11 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 18 12 21 28 18 12 21 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
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% ? 80 litre 85 litre 95 litre 90 litre 80 litre 85 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 If all the fractions 3/10, 1/16, 4/11, 2/9, 1/7, 5/14 and 5/24 arranged in descending order of their values, then which one will be the third? 1/16 3/10 2/9 4/11 1/16 3/10 2/9 4/11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/10 = 0.3, 1/16 = 0.0625, 4/11 = 0.36, 2/9 = 0.22, 1/7 = 0.14, 5/14 = 0.36 and 5/24 = 0.214/11 > 5/14 > 3/10 > 2/9 > 5/24 > 1/7 > 1/163/10 will be the third.
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