Number System (1024—263—233)÷(986—764— 156) =? 10 None of these 8 6 10 None of these 8 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 678 692 689 652 678 692 689 652 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 83/77 73/77 77/73 93/77 83/77 73/77 77/73 93/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
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 ? 18 years 21 years 15 years 25 years 18 years 21 years 15 years 25 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 Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 7.5 5 15 4 7.5 5 15 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System 1827÷ 36 x ?=162.4 2.6 1.9 4.3 3.2 2.6 1.9 4.3 3.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
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