NUMBER SYSTEMS

In number system first we explain the B O D M A S theory

In simplifying an expression the following order must be      adhered to

B => Brackets                          () {} []

O = > Of

D => Division

M => Multification                      *

A => Addition                            +

S => subtraction                        -

Example1:

2184 * (40+95-23) = ?

Ans: in the above example according to BODMAS rule first we solve the bracket the bracket ans is 112 next we solve the multification then the answer is “244608”.

Example2:

95/19*4(24+96-50)

Ans: here (24+96-50)=70
95/19 =5
Therefore = 5*4(70)
= 1400
Ans is 95/19*4(24+96-50) =1400.

Example3:

2/7*5/6*3/8=?

Ans:    here we calculating the ans is “5/56”.

Example 4:

7/8 of 448 + 6/7 of3374 =?

Ans: here we know  of == ‘*’   calculation is
7/8*448 =   7*56 =   392
6/7*3374 = 6*482 = 2892
Ans =392+2892=3284.

Example 5:

9of8/18(21*7+54+66)

Ans:
(21*7+54+66) = 267
9of8 = 72  Ă¨ 72/18= 4 then
4*267=1068
9of8/18(21*7+54+65)=1068

NUMBER SYSTEM CHAPTER 1 Reviewed by SSC-IBPS on 17:44:00 Rating: 5