Quantitative Aptitude - Arithmetic Ability Questions

Q:

The average age of Sita and Gita is 30 years. If Rita replaces Sita, then the average age will become 28 years and if Rita replaces Gita, then the average age will become 32 years. What are the respective ages (in years) of Sita, Gita and Rita?

 

A) 40, 44, 36   B)  44, 40, 36  
C) 34, 26, 30   D) 30, 26, 34
 
Answer & Explanation Answer: C) 34, 26, 30  

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Problems on Ages
Exam Prep: Bank Exams

6 1510
Q:

In a class, 60% of children like Mathematics, 45% like Science and 25% like both Mathematics and Science. What is the percentage of children who like at least one subject?

A) 70% B) 80%
C) 45% D) 55%
 
Answer & Explanation Answer: B) 80%

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

4 1510
Q:

If (x – 2) and (x + 3) are the factors of the equation x2 + k1x + k2 = 0, then what are the values of k1 and k2?

A) k1 = 6, k2 = – 1 B) k 1 = 1, k 2 = – 6
C) k 1 = 1, k2 = 6 D) k1 = – 6, k2 = 1
 
Answer & Explanation Answer: B) k 1 = 1, k 2 = – 6

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1510
Q:

If x2 + (1/x2) = 31/9 and x > 0, then what is the value of x3 + (1/x3)?

A) 70/9 B) 154/27
C) 349/27 D) 349/7
 
Answer & Explanation Answer: B) 154/27

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

2 1510
Q:

Profit of Rs 187200 has to be divided among three partners Amit, Brijmohan and Chiranjeev in the ratio 1:2:5. How much does Chiranjeev get?

A) Rs. 46800 B) Rs. 23400
C) Rs. 117000 D) Rs. 58500
 
Answer & Explanation Answer: C) Rs. 117000

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 1510
Q:

Find the odd words/letters/number from the given alternatives.

A) Lion B) Panther
C) Tiger D) Wolf
 
Answer & Explanation Answer: D) Wolf

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1510
Q:

Mr. Rajesh buys a toy for Rs. 27.50 and sells it for Rs. 28.60. Find the gain %.

A) 5% B) 4%
C) 6% D) 3%
 
Answer & Explanation Answer: B) 4%

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 1509
Q:

Both S.I. and C.I. is calculated with a similar rate of 10% per annum on a sum of rupees. If C.I. is calculated yearly for two years, then for what period must S.I. be evaluated such that S.I. = C.I.?

A) 4.2 years B) 2.1 years
C) 1.1 years D) 1.4 years
 
Answer & Explanation Answer: B) 2.1 years

Explanation:

Let time period of S.I. be T years.

Then for a principal amount, say P,

ATQ, as, S.I. = C.I. for rate =10%p.a. and

time for C.I. = 2(P x 10 x T)/100 = P{[ (100+10)/100 ]2-1}T/10 = [ 110/100 ]2–1 = [(11/10)2–1] = (121-100)/100T/10 = 21/100T = 21/10 = 2.1 years

Report Error

View Answer Report Error Discuss

Filed Under: Simple Interest
Exam Prep: Bank Exams
Job Role: Bank PO , Bank Clerk

1 1509