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A box contains 5 detective and 15 non-detectivebulbs.

Two b

Two b

A box contains nine bulbs out of which 4 aredefective.

If f

If f

A box contains nine bulbs out of which 4 aredefective.

If f

If f

Two electric bulbs marked 25W – 220V and 100W – 220V are

Passing through two bulbs is

If the total cost of four tube lights and three bulbs is Rs.

A box contains nine bulbs out of which 4 aredefective.

If f

If f

47,322 bulbs are to be packed in severalboxes.

Each box sho

Each box sho

When bulbs are arranged in series, bulbs would glow

A box contains 10 bulbs,of which just three aredefective.

I

I