Number System What is the least number, which is perfect square but contains 2700 as its factor? 5400 2700 1800 10800 5400 2700 1800 10800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 21 24 36 27 21 24 36 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 5/4 11/13 1/3 7/9 5/4 11/13 1/3 7/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
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.85 Rs.80 Rs.90 Rs.100 Rs.85 Rs.80 Rs.90 Rs.100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 68 70 64 66 68 70 64 66 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System √207.36 = ? 15.7 14.4 16.7 12.3 15.7 14.4 16.7 12.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √207.36 = √20736/√100 = 144/10 = 14.4
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