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DMRC 2018 Quantitative Aptitude Quiz 6
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Question 1
Direction: In the following question, there are two equations. Solve the equations and answer accordingly.
x²-26x+168=0
y²-32y+252=0
y²-32y+252=0
Question 2
Direction: What should come in place of question mark (?) in the following number series?
59, 62, 56, 65, ?, 68
Question 3
Direction: What should come in place of question mark (?) in the following question? (You do not have to calculate the exact value.)
699.946 ÷ 13.98 – 6 × 13.12 + (730)1/3 = ?
Question 4
Direction: What should come in place of question mark (?) in the following number series?
12600, 2100, 420, 105, 35, ?
Question 5
Direction: What approximate value should come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)
2.5% of 3451 × 0.8% of 7799.998 = ?
Question 6
B is eighteen years younger than A. The ratio of B’s age six years hence to C’s present age is 3 : 2. If at present A’s age is twice the age of C, then what was B’s age (in years) 4 years ago?
Question 7
Ram has agreed to mow the farm lawn, which is 20 m by 40 m rectangle. The mower mows a 1 m wide strip. If Ram starts at one corner and mows around the lawn towards the center, about how many times would he go round before he has mowed half the lawn?
Question 8
In a table tennis competition involving some men and women of a club, every member had to play exactly one game with every other member. It was found that in 45 games both the players were women and in 190 games both were men. The number of games in which one player was a man and the other was a woman will be how many?
Question 9
In a box there are 6 red balls, 4 green balls and 8 yellow balls. Three balls are drawn at random from the box. What is the probability that 2 balls will be red and 1 ball will be green?
Question 10
What are the number of diagonals in a decagon?
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