Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 83/77 93/77 77/73 73/77 83/77 93/77 77/73 73/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System On dividing number by 56, we get 29 as remainder. On dividing the same number by 8, what will be the remainder? 6 7 5 4 6 7 5 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the number and y be the quotient. Then, x = 357 * y + 39= (17 * 21 * y) + (17 * 2) + 5= 17 * (21y + 2) + 5.Required remainder = 5.
Number System A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least 120 60 240 30 120 60 240 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The least number of trees that are required = LCM(4, 5, 6) = 60.
Number System Find the number which multiplied by 15 is increased by 196. 20 14 26 28 20 14 26 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
Number System The cost of 87 pens and 29 pencils is `783. What is the cost of 90 pens and 30 pencils ? Rs. 810 Rs. 830 Rs. 800 Rs. 820 Rs. 810 Rs. 830 Rs. 800 Rs. 820 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the price of a pen be 'x' and that of pencil be 'y' Then 87x + 29y = 783Multiplying eqn (i) by 30/29 we get (87x) x 30/29 + (29y) 30/29 = 783 x 30/29∴ 90x + 30y = 810
Number System 84 * 29 + 365 = ? - 2071 2436 2801 - 2801 - 2071 2436 2801 - 2801 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP - 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071
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