Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 363 373 343 353 363 373 343 353 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 40 20 None of these 30 40 20 None of these 30 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 What is the sum of all the prime numbers from 20 to 40? 117 118 119 120 117 118 119 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System (4300731) - ? = 2535618 1675123 1765113 1775123 1865113 1675123 1765113 1775123 1865113 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113
Number System Complete the series : 81, 69, 58, 48, 39 ........ 30 29 31 28 30 29 31 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
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