Quantitative Aptitude - Arithmetic Ability Questions

Q:

If sinA + sin2A = 1 then what is the value of cos2A + cos4A ?

A) 1 B) 2
C) 1/2 D) 1/4
 
Answer & Explanation Answer: A) 1

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Q:

The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?

A) -22 B) -25
C) -19 D) -28
 
Answer & Explanation Answer: C) -19

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Q:

The areas of two similar triangles ΔXYZ and ΔPQR are 100 sq cms and 25 sq cms respectively. If PQ = 4 cm then what is the length of XY (in cm)?

A) 16 B) 14
C) 8 D) 20
 
Answer & Explanation Answer: C) 8

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Q:

In the following question, select the odd number pair from the given alternatives.

A) 1444 – 37 B) 2809 – 54
C) 2209 – 46 D) 6084 – 77
 
Answer & Explanation Answer: B) 2809 – 54

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Q:

A bank offers 5% compound interest per half year. A customer deposits Rs 4800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest?

A) Rs 732 B) Rs 1464
C) Rs 366 D) Rs 183
 
Answer & Explanation Answer: A) Rs 732

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Q:

If  C+1C = 3, then what is the value of C3+1C3 = ?

A) 0 B) 3√3
C) 1/√3 D) 6√3
 
Answer & Explanation Answer: A) 0

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Q:

At what point does the line 2x + 5y = -6 cuts the X-axis?

A) (3, 0) B) (0, 3)
C) (-3, 0) D) (0, -3)
 
Answer & Explanation Answer: C) (-3, 0)

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Q:

What is the value of sin 300°?

A) -1/2 B) 2
C) 2/√3 D) -√3/2
 
Answer & Explanation Answer: D) -√3/2

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