Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2506 2527 2517 2607 2506 2527 2517 2607 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 18 28 12 21 18 28 12 21 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% ? 95 litre 80 litre 85 litre 90 litre 95 litre 80 litre 85 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 (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 81 83 82 84 81 83 82 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System 1089/? = ?/1296 1278 1348 1188 1082 1278 1348 1188 1082 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
Number System In a pair of fractions, fraction A is twice the fraction B and the product of two fractions is 2/25. What is the value of fraction A? 2/5 Data inadequate 1/5 1/25 2/5 Data inadequate 1/5 1/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A = 2B => B = 1/2 A, so, AB = 2/25 1/2 A2 = 2/25A2 = 4/25 A = 2/5
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