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.80 Rs.85 Rs.100 Rs.90 Rs.80 Rs.85 Rs.100 Rs.90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 82 84 81 83 82 84 81 83 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345? 2435 5243 2105 2345 2435 5243 2105 2345 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2000 + 300 + 40 + 5 = 2345
Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 74 110 93 85 74 110 93 85 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1160 1140 1180 1120 1160 1140 1180 1120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System The difference between a number and its three-fifth is 50. What is the number? 100 125 None of these 75 100 125 None of these 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.