Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 88 54 75 64 88 54 75 64 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System What is the sum of all even numbers from 1 to 701? 122550 122500 122850 123850 122550 122500 122850 123850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
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% ? 21 litre 29 litre 17 litre 25 litre 21 litre 29 litre 17 litre 25 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 If the difference between a number and two-fifths of that number is 45 what is the number ? 75 76 78 77 75 76 78 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System 2536+4851—?=3450+313 6784 4567 3624 5243 6784 4567 3624 5243 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System The number of prime factors of (6)10×(7)17×(55)27 61 101 41 91 61 101 41 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91