Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 24 26 23 25 24 26 23 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 46.765 49.765 48.765 47.765 46.765 49.765 48.765 47.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 45 25 35 54 45 25 35 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
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: 30 18 36 27 30 18 36 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System A man engaged a servant on the condition that he would pay him Rs.710 and a uniform after a year service. He served only for 8 months and got Rs.460 and a uniform. Find the price of the uniform? Rs.40 Rs.30 Rs.25 Rs.20 Rs.40 Rs.30 Rs.25 Rs.20 ANSWER DOWNLOAD EXAMIANS APP
Number System 74698 + 365 + 85213 + 95 = ? 160361 160351 160371 160341 160361 160351 160371 160341 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 74698 + 365 + 85213 + 95 = 160371
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