Number System Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ? 325 625 525 425 325 625 525 425 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
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.100 Rs.80 Rs.85 Rs.90 Rs.100 Rs.80 Rs.85 Rs.90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System What is the least number to be subtracted from 696 to make it a perfect square? 71 20 1 16 71 20 1 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.
Number System 124, 235, 447, 760, 1174, ? 1489 1589 1689 1389 1489 1589 1689 1389 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP +111, +212, +313, +414
Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 39 69 59 49 39 69 59 49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 73 75 74 76 73 75 74 76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
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