Number System

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1.What is the place value of 6 in 65489203?  [SSC 2010]

a.6×100000

b.6×10000

c.6×10000000

d.6×10000000

2.Find the face value of 6 in 652410?[SSC 2008]

a.6×100000

b.6×10000

c.6000

d.6

3.Find the sum of the face value of 9 and 6 in 907364?[Hotel mgmt.2007]

a.15

b.20

c.9

d.18

4.Find the difference of place and face value of 4 in 324372?

a.3996

b.3998

c.3398

d.3396

5.When 121012 is divided by 12,the remainder is

a.0

b.2

c.3

d.4

6.The pair of numbers which are relatively prime to each other is

a.(68,85)

b.(65,91)

c.(92,85)

d.(102,153)

7.The product of first natural number,first whole number & first prime number is

a.5

b.0

c.9

d.7

8.Find the quotient when 445 is divided by 5?

a.78

b.48

c.79

d.89

9.The product of two consecutive odd number is 6723.what is the greater number?[bank clerk 2009]

a.89

b.85

c.91

d.83

10.The sum of four consecutive even number is 284.what would be the smallest number?[bank po 2010]

a.72

b.74

c.68

d.66

11.The sum of the digit of two digit number is 14 and difference between the two digits of the number is 2.What is the product of two digits of the two-digit number?

a.56

b.48

c.45

d.non of these

12.Find the sum of first 25 natural numbers

a.432

b.315

c.325

d.335

13.Find the sum of the squares of first 35 natural numbers?

a.14910

b.15510

c.14510

d.16510

14.Find the sum of the cubes of first 15 natural numbers?

a.15400

b.16800

c.14400

d.13300

15.Find the sum of first 37 odd numbers?

a.1369

b.1295

c.1388

d.1875

16.Find the sum of first 84 even numbers?[bank clerk 2008]

a.7140

b.7540

c.6720

d.8832

17.The product of four consecutive natural numbers plus one is[cds 2014]

a.a non-square

b.always sum of two square numbers

c.a square

d.non-of these

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