Question

Q40 angular velocity of the cylinder after the masses have fallen a distance h is

Answer 1

Answer:

(C) 400000

The product of the place values of two 2’s in 428721 is

There are two 2’s in the given number. So, the first 2 is in the tenth place, Then, the product is = 2 × 10= 20

The other 2 is in place value of ten thousand. Then, = 2 × 10000= 20000 Therefore, the product of place values = 20 × 20000= 400000