Question

i) I did not see him because I did not go there.
Ans : If I had gone there I would have seen him.
ii) I was in a hurry and so I spilled the milk.
Ans : If I
(not be) in a hurry, I (not spill) the milk.
iii) I did not know her, so I did not talk to her.
Ans : I__(know) her, I _ (talk) to her.
iv) You did not try again, so you failed.
Ans : If you (try) again, you (not fail).
v) She did not have a degree, so she did not get the job.
Ans : If she (have) a degree, she (get) the job.
​

Answer 1

Explanation:

7.The fuels available in natural form is------.

1 point

petrol

Electricity7.The fuels available in natural form is------.

1 point

petrol

Electricity

coal

coal

Answer 2

Explanation:

Solutionlet x be the base ,the altitude will be x-7

Now as per pythagorus theorem

x

2

+

(

x

−

7

)

2

=

13

2

x

2

−

7

x

−

69

=

0

x=12 or -5

Since x cannot be negative

x=12