Number System (95.6x 910.3) ÷ 92.56256 = 9? 12.24 14.44 15.54 13.34 12.24 14.44 15.54 13.34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System The difference between 71% of a number and 46% and of the same number is 212. What is 75% of that number 636 724 673 845 636 724 673 845 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ 71% of x - 46% of x = 212∴ (71 - 46)% of x = 212∴ 25/100 x x = 212∴ x = 212 x 4 = 848∴ 75% of 848 = 848 x 75/100 = 636
Number System 3√68921 = ? 51 41 31 21 51 41 31 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
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% ? 29 litre 17 litre 25 litre 21 litre 29 litre 17 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 A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15? 1 13 11 9 1 13 11 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 45 + 31 = 76/15 = 1 (Remainder)
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 64 54 75 88 64 54 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
EXAMIANS