Quantitative Aptitude - Arithmetic Ability Questions

Q:

What least number must be added to 4131, so that the sum is completely divisible by 19?

A) 10 B) 11
C) 9 D) 12
 
Answer & Explanation Answer: B) 11

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Q:

What is the equation of the line whose y­-intercept is 4 and making an angle of 45° with the positive x-­axis?

A) x + y = -­4 B) x -­ y = 4
C) x + y = 4 D) x -­ y = ­-4
 
Answer & Explanation Answer: D) x -­ y = ­-4

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Q:

If ( x - 5)2 + (y - 2)2 + (z - 9)2 = 0 , then value of (x + y - z) is

A) 16 B) -1
C) -2 D) 12
 
Answer & Explanation Answer: C) -2

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Q:

If P = 22 + 62 + 102 + 142 + ... 942 and Q = 12 + 52 + 92 + ... 812, then what is the value of P – Q?

A) 24645 B) 26075
C) 29317 D) 31515
 
Answer & Explanation Answer: B) 26075

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Q:

If secA + tanA = x, then find the value of x.

A) √[(1 - sinA)/(1 + sinA)] B) (1 + sinA)/(1 - sinA)
C) (1 - sinA)/(1 + sinA) D) √[(1 + sinA)/(1 - sinA)]
 
Answer & Explanation Answer: D) √[(1 + sinA)/(1 - sinA)]

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Q:

What is the slope of the line 2x - 5y = 12?

A) 2/5 B) 5/2
C) -2/5 D) -5/2
 
Answer & Explanation Answer: A) 2/5

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Q:

If the sum of squares of two real numbers is 41 and their sum is 9. Then the sum of cubes of these two numbers is

A) 169 B) 209
C) 189 D) 198
 
Answer & Explanation Answer: C) 189

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Q:

In a Rhombus ABCD, measure of angle CAB is 30°, what is the measure of angle ABC?

A) 60° B) 120°
C) 90° D) 150°
 
Answer & Explanation Answer: B) 120°

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