How many sentences are correct?(1) CNG burns | vedclass

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Question

(B) Statement $(1)$ is correct: $CNG$ (Compressed Natural Gas) burns most efficiently as it leaves very little unburnt fuel.Statement $(2)$ is correct

Vedclass · Accepted Answer

$3$

Vedclass · Answer

(B) Statement $(1)$ is correct: $CNG$ (Compressed Natural Gas) burns most efficiently as it leaves very little unburnt fuel.Statement $(2)$ is correct: $CNG$ cannot be adulterated like petrol or diesel.Statement $(3)$ is correct: $CNG$ is cheaper than petrol and diesel.Statement $(4)$ is incorrect: In the $1990$s,Delhi ranked $4$th among the $41$ most polluted cities of the world,not $6$th.Therefore,$3$ sentences are correct.

How many sentences are correct?
$(1)$ $CNG$ burns most efficiently.
$(2)$ $CNG$ cannot be adulterated.
$(3)$ $CNG$ is cheaper than petrol and diesel.
$(4)$ In the $1990$s,Delhi ranked $4$th among the $41$ most polluted cities of the world.

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How many sentences are correct?$(1)$ $CNG$ burns most efficiently.$(2)$ $CNG$ cannot be adulterated.$(3)$ $CNG$ is cheaper than petrol and diesel.$(4)$ In the $1990$s,Delhi ranked $4$th among the $41$ most polluted cities of the world.