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Aptitude Questions

Dear Reader, Below are four problems dealing with arithmetic calculations, you have to find the value of unknown. Question 1 If 25A = 152 - 102 then the value of A is: a) 5 b) 10 c) 15 d) 25 Answer : a)5 Solution : Given that, 25A = 152 - 102 25A...
Dear Reader, Below are four problems on power numbers, you have to simplify the number into multiplication of power numbers to obtain the answer. Question 1 Seeta was asked to write the value of 25 x 92 in exam. She wrote as 2592. The difference...
Dear Reader, Below are four problems based on factorial simplifications. Question 1 The value X!(X + 3) - X! is equal to a) X(X + 1)! b) (X + 1)! + X! c) X + (X + 2)! d) 3X! - (X + 2)! Answer : b)(X + 1)! + X! Solution : Given X!(X + 3) - X! X!(X...
Dear Reader, Below are four problems on basic arithmetic calculations using BODMAS rule. Question 1 If '+' means '/' , '/' means '-', '-' means 'x' and 'x' means '+' then the value of 18 x 2 - 24 + 4 / 10 is: a) 20 b) 110 c) 80 d) 90 Answer : a)20...
Dear Reader, Below are four problems based on surds and indices you have to simplify the problem to find the answer. Question 1 If [1 - p(-1)] is divided by (1 - p) then the quotient is: a) -1/p b) p c) 1/p d) (1-p) Answer: a)-1/p Solution: We have...
Dear Reader, Below are four problems on Numerical ability with basic arithmetic calculations. You have to find the value which fits in the place of X. Question 1 637 / 7 - 11.2 x 2 = X a) 159.6 b) 68.6 c) 178.4 d) 72.4 Answer : b)68.6 Solution :...
Dear Reader, Below are four algebraic problems by using the formula (x+y)2 = (x2 + y2 + 2xy) and (x-y)2 = (x2 + y2 - 2xy). Question 1 Sum of the to numbers is 55/22 and the product of that numbers is 1 then what will be the sum of the squares of...
Dear Reader, Below are four problems on basic calculations of factorials. Note: 1) (n+1)! = (n+1)n! 2) (n+5)! = n!(n+1)(n+2)(n+3)(n+4)(n+5) Question 1 Evaluate 29!/27! a) 784 b) 812 c) 996 c) 128 Answer : b)812 Solution : Given 29!/27! By using the...
Dear Reader, Below are four problems based on surds and indices dealing with the calculations of index of numbers. Question 1 Evaluate 360.14 x 12960.18 a) 12 b) 36 c) 6 d) 3 Answer : c)6 Solution : Given that 360.14 x 12960.18 360.14 x (362)0.18...
Dear Reader, Below are four problems on algebra, you have to find the relationship between the two unknowns. Directions to solve : Each of the following questions has two equations on the basis of which you have to find the relation between x and y...
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