## Number Solved Questions For IBPS, SBI and Other Bank Exams - Page 1

Number Problems Solved Questions (Page 1 of 15)

Dear Reader,

Below you will find important formulas of Number System. Following that you will find solved questions. These questions will help you in preparation for all bank exams including IBPS, SBI, RRB and other banks.

**Question 1**

30% of 30% of ? = 90

a. 1000

b. 10

c. 10000

d. 100

e. 100000

**Answer : **a. 1000

Let the number we should find be N

Then, 30% of 30% of ? = 90

Or (30/100) x (30/100) x N = 90

Or (900/10000) x N = 90

Or N = (90 x 10000) / 900 = 1000

**Question 2**

?% of 50% of 200 = 20

a.200

b.20

c.400

d.40

e.800

**Answer : **b. 20

Let the unknown number be L

Then, ?% of 50% of 200 = 20

Or L/100 x 50/100 x 200 = 20

Or L = (20 x 100 x 100) / (50 x 200) = 20

**Question 3**

25% of 125% of 100 = ?

a. 3125

b. 31.25

c. 3.125

d. .3125

e. 31250

**Answer : **b. 31.25

Let the number to be found be M

Then, 25% of 125% of 100 = M

Or (25/100) x (125/100) x 100 = M

Or 31.25 = M

**Question 4**

10% of ?% of 1000 = 150

a. 150

b. 1500

c. 300

d. 3000

e. 30

**Answer :** a. 150

Let the number to be found be N

Then, 10% of N% of 1000 = 150

Or (10/100)x(N/100)x1000 = 150

Or N = (150 x 100 x 100)/(10 x 1000) = 150

Number Problems Solved Questions (Page 1 of 15)