Number System Find the number which multiplied by 15 is increased by 196. 26 14 28 20 26 14 28 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
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 If 2^(2x-1) = 8^(3-x), then the value of x is: 6 9 5 2 6 9 5 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 45 46 47 44 45 46 47 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System (2560 x 1.4) +(7400 x 0.6) =? 9160 8024 6543 7234 9160 8024 6543 7234 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 88 114 96 102 88 114 96 102 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
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