`(0. 1xx0. 01xx0. 001xx10^7)` is equal to `1/(10)` (b) `1/(100)` (c) `10` (d) `100`

0.1xx0.01xx0.001xx10^6 is equal to:

1cm is equal to: (a) 0.1m (b) 0.01m (c) 0.10m (d) 0.001m

1cm is equal to: 0.1m (b) 0.01m (c) 0.10m (d) 0.001m

(0.2xx0.2+0.01)(0.1xx0.1+0.02)^(-1) is equal to (5)/(3)(b)(9)/(5)(c)(41)/(4) (d) (41)/(12)

For any 2xx2 matrix, if A\ (a d j\ A)=[10 0 0 10] , then |A| is equal to (a) 20 (b) 100 (c) 10 (d) 0

For any 2xx2 matrix, if A\ (a d j\ A)=[[10 ,0 ],[0 ,10]] , then |A| is equal to (a) 20 (b) 100 (c) 10 (d) 0