Quantitative Aptitude - Arithmetic Ability Questions

Q:

A sum of Rs. 427 is to be divided among A, B and C such that 3 times A’s share, 4 tunes B’s share and 7 times C’s share are all equal. The share of C is :

A) 84 B) 140
C) 196 D) 240
 
Answer & Explanation Answer: A) 84

Explanation:

3A = 4B = 7C = k,Then A = k/3, B = k/4 and C= k/7.

A : B : C = k/3 : k/4 : k/7 = 28:21 :12.

Cs share = Rs. [427 x (12/61)] = Rs. 84

Report Error

View Answer Report Error Discuss

Filed Under: Ratios and Proportions

183 53357
Q:

A rectangular block 6 cm by 12 cm by 15 cm is cut up into an exact number of equal cubes. Find the least possible number of cubes.

A) 30 B) 40
C) 10 D) 20
 
Answer & Explanation Answer: B) 40

Explanation:

Volume of the block = (6 x 12 x 15) cu.cm = 1080 cu.cm 

Side of the largest cube = H.C.F. of 6 cm, 12 cm, 15 cm 

                                   = 3 cm.

 

Volume of this cube  = (3 x 3 x 3) cu.cm = 27 cu.cm 

Number of cubes =108027 = 40.

Report Error

View Answer Report Error Discuss

129 53188
Q:

Aman started a business investing Rs. 70,000. Rakhi  joined him after six months with an amount of Rs. 1,05,000 and Sagar joined them with Rs. 1.4 lakhs after another six months. The amount of profit earned should be distributed in what ratio among Aman, Rakhi and Sagar respectively, 3 years after Aman started the business ?

A) 11 : 13 : 15 B) 11 : 13 : 17
C) 12 : 17 : 18 D) 12 : 15 :16
 
Answer & Explanation Answer: D) 12 : 15 :16

Explanation:

Aman : Rakhi : Sagar = (70000 x 36) : (105000 x 30) : (140000 x 24) = 12 : 15 : 16.

Report Error

View Answer Report Error Discuss

Filed Under: Partnership

30 53179
Q:

The ratio of the areas of a square and a regular hexagon, both inscribed in a circle is?

 

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

1 53040
Q:

What is the square root of (√5 + 2)/(√5 – 2)?

 

A) √5 – √4   B) √5 + 2  
C) 5 + √2   D) 7
 
Answer & Explanation Answer: B) √5 + 2  

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

1 52958
Q:

(8)23 = ?

 

A) √4 B) 2
C) 4 D) 64
 
Answer & Explanation Answer: C) 4

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 52951
Q:

How many days are there in x weeks x days?

A) 7x * x B) 8x
C) 14x D) 7
 
Answer & Explanation Answer: B) 8x

Explanation:

x weeks x days = (7x + x) days = 8x days.

Report Error

View Answer Report Error Discuss

Filed Under: Calendar

303 52814
Q:

Choose the correct option for the figure shown below.

 

A) ∡AOP =∡AOQ B) ∡OAP = ∡OQA
C) AO=OQ D) AP=AO
 
Answer & Explanation Answer: A) ∡AOP =∡AOQ

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 52809