Number System What should come in place of question mark (?) in the following number series ? 7, 176, 480, 1058, 2188, 4426, ? 8881 8884 8888 8882 8881 8884 8888 8882 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Series is (No. + 9²) x 2, (+8²) x 2, (+7²) x 2, (+6²) x 2.......
Number System √343 = ? 19 18 20 21 19 18 20 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
Number System 16.23 x 12.9 + 17.32 = ? 226.687 236.687 246.687 None of these 226.687 236.687 246.687 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System On converting the following base-2 numeral in base ten, 1101101, we get 109 106 108 107 109 106 108 107 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
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% ? 25 litre 17 litre 29 litre 21 litre 25 litre 17 litre 29 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 If the difference between a number and its three fifths is 62, what is the number ? 145 155 165 175 145 155 165 175 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
EXAMIANS