Instructions

For the following questions answer them individually

Question 82

The reciprocal of equivalent resistance connected in parallel is the __________ of reciprocal of individual resistances.

Question 83

Which of the following will best complete the relationship given below?

XJ : VO :: HT : ?

Question 87

Two pipes P and Q can individually fill a tank in 60 minutes and 40 minutes. If pipe Q alone is open for the first half an hour and then pipe P is also turned on, in how many minutes more will the tank get filled up?

Question 88

Mark the right statements.

1. The lateral surfaces of a pyramid are triangles with a common vertex.

2. A pyramid is a special case of a prism.

3. Volume of a pyramid = 1/3 x base area x vertical height

4. Volume of a prism = 1/2 base area x height

Question 89

Which product is obtained when coal is subjected to destructive distillation that is heating strongly in the absence of air?

Question 90

Varun walked 5 km from point A and turned right two times and walked 8 km respectively facing towards west. Which direction did he start at point A?