dp world Interview Questions

System of equation for two variables a and b is written as
A. a-b
B. a+b
C. a⁄b
D. (a)(b)

Solved230 viewsAdmin Selected answer as best November 25, 2022Aptitude Linear Equations

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Least perfect square number, exactly divisible by 21, 36 and 56 is?

182 viewsAptitude

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If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount then what is the profit percentage.(a) 40%(b) 55%(c) 35%(d) 30%

212 viewsAptitude

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A circular well with a diameter of 2 metres, is dug to a depth of 14 metres. What is the volume of the earth dug out

211 viewsAdmin Changed status to publish November 24, 2021Aptitude Volume and Surface Area

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The volume of a cylinder is 1632 ft3. If the height of the cylinder is 24 ft., what is the area of it’s base?
A. 68 sq. ft
B. 72 sq.ft
C. 64 sq. ft
D. 74 sq. ft

49 viewsAdmin Changed status to publish November 22, 2022Geometry Questions Mathematics

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A man and his wife appear in an interview for two vacancies in the same post. The probability of husband’s selection is (1/7) and the probability of wife’s selection is (1/5). What is the probability
A. 2/7
B. 1/7
C. 3/4
D. 4/5

188 viewsAdmin Changed status to publish January 3, 2022Aptitude Probability

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Evaluate: √66049
A. 157
B. 257
C. 357
D. 457

646 viewsAdmin Changed status to publish November 23, 2021Aptitude Square root and Cube root

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Which of the following does not have a proper subset
A. {x: x ? Q}
B. {x: x ? Q, 3 < x < 4
C. {x: x ? N, 3 < x < 4}
D. None of these

523 viewsAdmin Changed status to publish January 5, 2022Aptitude Relations and Functions

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Dimensions of plane includes
A. breadth and length
B. depth and length
C. breadth only
D. length only

429 viewsAdmin Changed status to publish January 1, 2022Aptitude Trigonometry

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Consider an n by n grid of squares. A square is said to be a neighbour of another one if it lies directly above/below or to its right/left. Thus, each square has at most four neighbours. Initially, some squares are marked. At successive clock ticks, an unmarked square marks itself ifat least two of its neighbours are marked. What is the minimum number of squares we need to mark initially so that all squares eventually get marked?

185 viewsAptitude

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Slope of straight line of any equation which rises from left to right with intercepts is classified as
A. positive slope
B. negative slope
C. order pair slope
D. undefined slope

223 viewsAdmin Changed status to publish January 6, 2022Aptitude Linear Equations

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An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 hours 30 min to fill the tank. In what time the leak can drain out all the water of the tank and will make tank em
A. 11 hours
B. 21 hours
C. 31 hours
D. 41 hours

497 viewsAdmin Changed status to publish January 1, 2022Aptitude Pipes And Cisterns

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If A and B are sets and A∪ B= A ∩ B, then
A. A = B
B. A = Φ
C. B = Φ
D. none of these

286 viewsAdmin Changed status to publish January 5, 2022Aptitude Relations and Functions

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The present ages of three persons in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).
A. 16, 28, 36
B. 15,30,35
C. 14,28,34
D. 13,27,32

185 viewsAdmin Changed status to publish December 29, 2021Aptitude Problems on Ages

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General,logic and mathematics

169 viewsAptitude

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