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- 1. The difference between the number and its three fifth is 40, what is the number?

A.80

B.100

C.90

D.120

Answer & Explanation

Answer: Option B

Explanation:**Let the number be x. Then,**

x - (3/5)x = 40

(2/5)x = 40

x = (40 x 5)/2 = 100

x - (3/5)x = 40

(2/5)x = 40

x = (40 x 5)/2 = 100

- 2. If the number is decreased by 5 and divided by 7 the result is 7. What would be the result if 4 is subtracted and divided by 10?

A.4

B.7

C.8

D.5

Answer & Explanation

Answer: Option D

Explanation:**Let the number be x. Then,**

(x - 5)/7 = 7 => x - 5 = 49

x = 54

.: (x - 4)/10 = (54 - 4)/10 = 5

(x - 5)/7 = 7 => x - 5 = 49

x = 54

.: (x - 4)/10 = (54 - 4)/10 = 5

- 3. When 20 is subtracted from a number, it reduces to seven-twelve of the number. What is the sum of the digit of the number?

A.40

B.44

C.46

D.48

Answer & Explanation

Answer: Option D

Explanation:**Let the number be x. Then,**

x - 20 = 7x/12 => x - 7x/12 = 20

5x/12 = 20 => x = 48

x - 20 = 7x/12 => x - 7x/12 = 20

5x/12 = 20 => x = 48

- 4. If the number is divided by 3, it reduced by 34. The number is

A.51

B.50

C.45

D.40

Answer & Explanation

Answer: Option A

Explanation:**Let the number be x. Then,**

x - (x/3) = 34 => 2x/3 = 34

=> x = 51

x - (x/3) = 34 => 2x/3 = 34

=> x = 51

- 5. A number whose one-fourth part is increased by 5 is equal to the third part diminished by 5.

A.100

B.80

C.120

D.60

Answer & Explanation

Answer: Option C

Explanation:**Let the number be x. Then,**

x/4 + 5 = x/3 - 5 => x/4 - x/3 = -10

=> 3x - 4x = -120

=> x = 120

x/4 + 5 = x/3 - 5 => x/4 - x/3 = -10

=> 3x - 4x = -120

=> x = 120

**To whom this Problems Based on Number Questions and Answers section is beneficial?**

Students can learn and improve on their skillset for using Verbal Ability effectively and can also prepare for competitive examinations like...

- All I.B.P.S and Public Sector Bank Competitive Exam
- Common Aptitude Test (CAT) Exams
- UPSC Paper-II or CSAT Exams
- SSC Competitive Exams
- Defence Competitive Exams
- L.I.C / G.I.C AO and Clerk Competitive Exams
- Railway Competitive Exam
- University Grants Commission (UGC)
- Career Aptitude Test (IT Companies) and etc.