Quantitative Aptitude - Arithmetic Ability Questions

Q:

The radius of base of solid cone is 9 cm and its height is 21 cm. It cut into 3 parts by two cuts, which are parallel to its base. The cuts are at height of 7 cm and 14 cm from the base respectively. What is the ratio of curved surface areas of top, middle and bottom parts respectively?

A) 1 : 4 : 8 B) 1 : 3 : 5
C) 1 : 3 : 9 D) 1 : 6 : 12
 
Answer & Explanation Answer: B) 1 : 3 : 5

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 1873
Q:

A prime number contains the digit X at unit’s place. How many such digits of X are possible?

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

Explanation:
For prime no units place cannot be occupied by even number except for 2
Thus no of digits occupying unit digit of prime numbers = 6 (1,2,3,5,7,9)
Example 2,3,5,7,11,19 in itself are prime numbers
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Filed Under: Numbers
Exam Prep: Bank Exams

1 1870
Q:

A trader marks up his goods by 120% and offers 30% discount. What will be the selling price (in Rs) if the cost price is Rs 750?

A) 1225 B) 1080
C) 1280 D) 1155
 
Answer & Explanation Answer: D) 1155

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Filed Under: Percentage
Exam Prep: Bank Exams

0 1868
Q:

If a3+ b3 = 341 and ab = 30, then what is the value of a + b?

A) 1 B) 9
C) 7 D) 11
 
Answer & Explanation Answer: D) 11

Explanation:
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Filed Under: Simplification

4 1868
Q:

N is the largest two digit number, which when divided by 3, 4 and 6 leaves the remainder 1, 2 and 4 respectively. What is the remainder when N is divided by 5?

A) 4 B) 2
C) 0 D) 1
 
Answer & Explanation Answer: A) 4

Explanation:
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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

2 1867
Q:

P starts a business with Rs 14000. After 8 months Q joins P with Rs 8000. After 3 years, what will be the ratio of the profit of P and Q?

A) 12 : 5 B) 9 : 4
C) 14 : 9 D) 15 : 8
 
Answer & Explanation Answer: B) 9 : 4

Explanation:
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Filed Under: Partnership
Exam Prep: Bank Exams

6 1864
Q:

An article costs Rs 50 presently. The rate of inflation is 300%. What will be cost of this article after two years?

A) Rs 200 B) Rs 600
C) Rs 800 D) Rs 1000
 
Answer & Explanation Answer: C) Rs 800

Explanation:

A = P(1 + r/100)n   50(1 + 300/100)2   50(4)2  800

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Filed Under: Compound Interest
Exam Prep: Bank Exams

5 1863
Q:

What is 5% of 4000?

A) 180 B) 200
C) 220 D) 240
 
Answer & Explanation Answer: B) 200

Explanation:

5% of 4000

= 5 x 4000/100

= 5 x 40

= 200

 

Hence, 5% of 4000 = 200.

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

5 1861