Direction : What should come in place of the question (?) in the following question.

12 × 3.5 – 8.5 × 3.2 =?

Direction: In the following questions two equations numbered I and II are given. You have to solve both the equations and Give answer

Give answer (A) If x > y
Give answer (B) if x ≥ y
Give answer (C) if x<y
Give answer (D) If x ≤ y
Give answer (E) if x=y or the relationship cannot be established.

I. 2x²+11x+12=0
II. 5y²+27y+10=0

A boat running downstreams covers a distance of 30 kms in 2 hours. While coming back the boat takes 6 hours to cover the same distance. If the speed  of the current is half that of the boat, what is the speed of that boat in kmph?

Direction : What should come in place of the question (?) in the following question.

$$ {2\over3}$$ of $${3\over4}$$of $${5\over8}$$ of 480=?

Direction (66-70): What should come in place of the question mark(?) in the following number series?

7, 8 , 17, 42, ?

Direction (66-70): What should come in place of the question mark(?) in the following number series?

8, 39, 155, 464, ?

A 160-meter-long train running at a speed of 90 km/h crosses a platform is 18 s. What is the length of the platform in metre?

What is the average of the following numbers?
38, 92, 45, 25, 60