Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 140 180 240 160 140 180 240 160 ANSWER DOWNLOAD EXAMIANS APP
Number System A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform? Rs.90 Rs.80 Rs.85 Rs.100 Rs.90 Rs.80 Rs.85 Rs.100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? 7/13 8/13 6/13 9/13 7/13 8/13 6/13 9/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13
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 9 11 1 13 9 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 45 + 31 = 76/15 = 1 (Remainder)
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 28 12 180 160 28 12 180 160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, x + y = 20 and x - y = 8x2 - y2 = (x + y)(x - y) = 20 * 8 = 160.
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 75 65 61 67 75 65 61 67 ANSWER DOWNLOAD EXAMIANS APP
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