Quantitative Aptitude - Arithmetic Ability Questions

Q:

A bag contains coins of denominations Rs.1, Rs.5 and Rs.10. Assuming there are equal number of Rs.1, Rs.5 and Rs.10, what will be the total number of coins in the bag be if the total money is Rs. 368?

A) 69 B) 96
C) 56 D) 65
 
Answer & Explanation Answer: A) 69

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Q:

If cos 135° = x, then the value of x is

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

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Q:

If (tanA ­- tanB)/(1 + tanAtanB) = x, then the value of x is

A) tan(A -­ B) B) tan(A + B)
C) cot(A ­- B) D) cot(A + B)
 
Answer & Explanation Answer: A) tan(A -­ B)

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Q:

Determine the value of y-1y2 when y4+1y4=34

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: D) 4

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Q:

If 3.5x = 0.07y, then find the result of [y-x / y+x]

A) 51/49 B) 49/53
C) 49/51 D) 53/57
 
Answer & Explanation Answer: C) 49/51

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Q:

If (1 - sinA)/(1 + sinA) = x, then x is

A) (cosecA - cotA)2 B) secA - tanA
C) (secA - tanA)2 D) cosecA - cotA
 
Answer & Explanation Answer: C) (secA - tanA)2

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Q:

If √[(1 - cosA)/2] = x, then the value of x is

A) cos(A/2) B) tan(A/2)
C) sin(A/2) D) cot(A/2)
 
Answer & Explanation Answer: C) sin(A/2)

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Q:

Mother can bake 20 cakes in 4 hours, Mother and Dadima together can bake 60 cakes in 10 hours. How many cakes Dadima can bake in 30 hours?

A) 30 B) 75
C) 60 D) 25
 
Answer & Explanation Answer: A) 30

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