As we know that ,
∵ 1000 metre = 1 km

Correct Option: C

As we know that ,
∵ 1000 metre = 1 km

Let C.P. of 1 computer table = Rs. p
C.P. of 1 chair = Rs. q
According to the question,
3p + 5q = 25500 ..... (i)
2p + 9q = 25500 ..... (ii)
Clearly, cost of 1 computer table = cost of 4 chairs From equation (i),
3 × 4q + 5q = 25500 ⇒ 17q = 25500

Correct Option: D

Let C.P. of 1 computer table = Rs. p
C.P. of 1 chair = Rs. q
According to the question,
3p + 5q = 25500 ..... (i)
2p + 9q = 25500 ..... (ii)
Clearly, cost of 1 computer table = cost of 4 chairs From equation (i),
3 × 4q + 5q = 25500 ⇒ 17q = 25500

As per the given in question ,
Total distance covered in two weeks = 2 (3 + 4 + 5 + 6 + 7 + 8 + 9) miles
Total distance covered in two weeks = 2 × 42

Correct Option: C

As per the given in question ,
Total distance covered in two weeks = 2 (3 + 4 + 5 + 6 + 7 + 8 + 9) miles
Total distance covered in two weeks = 2 × 42 = 84 miles
Therefore , Gin jogs 84 miles in 2 weeks .

Let the length of the race be y km.
When A finishes the race,
∴ A : B : C = y : (y – 12) : (y – 18)
When B covers 12 km. , C covers 10 km.

Correct Option: B

Let the length of the race be y km.
When A finishes the race,
∴ A : B : C = y : (y – 12) : (y – 18)
When B covers 12 km. , C covers 10 km.

From the question,
The student is required to answer 30 questions in 35 minutes.

∴ Required average time =		35	× 60	seconds
		30

Correct Option: A

From the question,
The student is required to answer 30 questions in 35 minutes.

∴ Required average time =		35	× 60	seconds		= 70 seconds
		30