Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 46.765 47.765 49.765 48.765 46.765 47.765 49.765 48.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 240 180 140 160 240 180 140 160 ANSWER DOWNLOAD EXAMIANS APP
Number System If one-seventh of a number is 55 then 40% of that number = ? 154 171 147 163 154 171 147 163 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System 63.602 + 153.756 + 94.754 - 84.321 - 122.204 = ? 143.587 140.587 142.587 141.587 143.587 140.587 142.587 141.587 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 312.112 - 170.525 = 141.587
Number System In a five-litre mixture of milk and water the portion of water is 30%. How much milk should be added to the mixture so that the portion of water reduces to 5% ? 17 litre 29 litre 25 litre 21 litre 17 litre 29 litre 25 litre 21 litre ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Original mixture = 5 litre; Milk = 3.5 litre;Water = 1.5 litre Let x litre of milk be added so thatthe mixture becomes (x + 5) litres and the percentage of water becomes 5%So, 1.5 = (x + 5) x 5/10030 = x + 5∴ x = 25 litre
Number System What is the sum of all even numbers from 1 to 701? 123850 122850 122500 122550 123850 122850 122500 122550 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850