The usual form of 100a + b + 10c is
(a) abc
(b) cab
(c) bac
(d) acb

Solution:

The usual form of 100a + b + 10c is acb.

100a implies that a is in the hundredth position

10c implies that c is in the tenths position

b implies that it is in the ones position.

Therefore the usual form is acb

✦ Try This: The usual form of 100y + 10z + x is (a) xyz, b) zxy, (c) yzx, (d) yxz

The usual form of 100y + 10z + x is yzx

100y implies that y is in the hundredth position

10z implies that z is in the tenths position

x implies that it is in the ones position.

Therefore the usual form is yzx.

The correct choice is (c).

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 16

NCERT Exemplar Class 8 Maths Chapter 13 Sample Problem 2

The usual form of 100a + b + 10c is (a) abc (b) cab (c) bac (d) acb

Summary:

The usual form of 100a + b + 10c is acb

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