Number System How many numbers up to 200 are divisible by 2 and 3 both? 35 27 33 29 35 27 33 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 15 16 17 18 15 16 17 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System What is the least number, which is perfect square but contains 2700 as its factor? 1800 5400 2700 10800 1800 5400 2700 10800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System Complete the series : 81, 69, 58, 48, 39 ........ 31 28 29 30 31 28 29 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System The sum of the present age of a father and a son is 60 years. Five years before, the age of the father was four times that of son. What is the present age of the son ? 15 years 18 years 25 years 21 years 15 years 18 years 25 years 21 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the father's age be x and son's age yTherefore, x + y = 60 ....................(i)Five years back, (x - 5) = 4 (y - 5)x - 4y = - 15 ......................(2)Solving (1) and (2), x = 45 and y = 15
Number System [(18.6 x 4.5) + (7.8 ÷ 0.24)] ÷ 3.2 = ? 26.3125 36.3125 25.3125 46.3125 26.3125 36.3125 25.3125 46.3125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 83.7 + 32.5/3.2 = 116.2/3.2 = 36.3125
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