Number System What is the least number that should be added to 5200 to make it a perfect square ? 129 275 288 225 129 275 288 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
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.90 Rs.100 Rs.85 Rs.80 Rs.90 Rs.100 Rs.85 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System 36% of 850+? % of 592 = 750 50 75 12.5 25 50 75 12.5 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is? 4 6 1 Nothing can be said. 4 6 1 Nothing can be said. ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) – (10y + x) = 54x – y = 6
Number System Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 27 36 18 30 27 36 18 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number? 240 360 295 270 240 360 295 270 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.
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