Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 62, 18 65, 15 60, 20 64, 16 62, 18 65, 15 60, 20 64, 16 ANSWER DOWNLOAD EXAMIANS APP
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 23 22 20 21 23 22 20 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% ? 85 litre 95 litre 90 litre 80 litre 85 litre 95 litre 90 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 Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 11, 6 12, 7 12, 9 10, 5 11, 6 12, 7 12, 9 10, 5 ANSWER DOWNLOAD EXAMIANS APP
Number System What is 25/2% of 482 times of 183 ? 12025.75 11050.75 11025.75 12025.50 12025.75 11050.75 11025.75 12025.50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25/2% of [482 x 183]= 25/2% of 88206= 25/2 x 88206 / 100= 88206 / 8= 11025.75
Number System A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit? 14 33 17 21 14 33 17 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12