Question

B. Answer the following questions in not more than 20 words. 1. What is the equator? 2. What is the prime meridian? 3. How are meridians numbered? 4. When would the local time of a place A be ahead of the local time of a place B? 5. What is the importance of the 8272 E meridian in India?​

Answer 1

Answer:

x+3)(y−4)=180

or, (x+3)(24−x)=180

or, 72+21x−x

2

=180

or, x

2

−21x+108=0

or (x−12)(x−9)=0

or, x=12,9⇒y=16,19.

There may be two situation.

P obtained 12 marks in mathematics and 16 in science.

or,

P obtained 9 marks in mathematics and 19 in science