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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

At what time between 4 o'clock and 5 o'clock will the two hands of the clock be at the right angle to each other for the first time?

A) 58/11 min past 4 o'clock B) 422/11 min past 4 o'clock
C) 60/11 min past 4 o'clock D) 420/11 min past 4 o'clock
 
Answer & Explanation Answer: C) 60/11 min past 4 o'clock

Explanation:
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Filed Under: Clocks
Exam Prep: AIEEE , Bank Exams , CAT

14 2283
Q:

What Principal will yield Rs. 120 as Simple Interest at 6% p.a. in 10 years?

A) ₹ 120 B) ₹ 180
C) ₹ 200 D) ₹ 210
 
Answer & Explanation Answer: C) ₹ 200

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Filed Under: Simple Interest
Exam Prep: Bank Exams

4 2280
Q:

If in a two digit number, the digit at unit place is z and the digit at tens place is 8, then the number is

A) 80z + z B) 80 + z
C) 8z + 8 D) 80z + 8
 
Answer & Explanation Answer: B) 80 + z

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

4 2280
Q:

What least number must be added to 1039, so that the sum obtained is completely divisible by 29?

A) 4 B) 5
C) 8 D) 6
 
Answer & Explanation Answer: B) 5

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Filed Under: Problems on Numbers

1 2280
Q:

A shopkeeper, sold almonds at the rate Rs 1250 per kg and bears a loss of 7%. Now if he decides to sell it at Rs 1375 per kg, what will be the result?

A) 4.6 percent gain B) 2.3 percent loss
C) 2.3 percent gain D) 4.6 percent loss
 
Answer & Explanation Answer: C) 2.3 percent gain

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 2279
Q:

If the true discount on sum due 2 years hence at 14% per annum be Rs. 168, the sum due is

A) Rs. 600 B) Rs. 768
C) Rs. 878 D) Rs. 668
 
Answer & Explanation Answer: B) Rs. 768

Explanation:

We know that,

P.W = 100×T.D/R×T

= 100×168/14×2

P.W = 600.

 

Now, required Sum = (P.W. + T.D.)

= Rs. (600 + 168)

= Rs. 768.

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Filed Under: True Discount
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

7 2279
Q:

2sinAsinB is equal to

A) sin(A+B) + sin(A­-B) B) cos(A-­B) -­ cos(A+B)
C) sin(A+B) -­ sin(A-­B) D) cos(A+B) + cos(A-­B)
 
Answer & Explanation Answer: B) cos(A-­B) -­ cos(A+B)

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2279
Q:

The average of X, Y, Z is 24. Also, X:Y = 2:3 and X+Y = 60, then find the value of (X-Z)?

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

Explanation:

X+Y+Z = 24*3 = 72 X:Y = 2:3 (Given)
Let ‘X’ to be 2a & ‘Y’ to be 3a
X+Y = 60 (Given)
2a+3a = 60
5a = 60
a = 12
Hence, X = 24 & Y = 36
From equation (1)...
Z = 72 - 60
Z = 12
Hence, X - Z = 24-12 = 12.

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Filed Under: Average
Exam Prep: Bank Exams

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