Exams

Electric tram was invented by?

Select the odd word/letters/number/number pair from the given alternatives.

Chlorophyll was first isolated and named by

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.

1. Rose was lonely in the house.
P. She was very good at that.
Q. She sat all day in a room on the terrace.
R. She would sit on the rug and do her reading and writing.
S. It was a little room with nothing but a bed and a rug.
6. It was the only thing she had learnt from the convent.

The ratio of curved surface area of a right circular cylinder to the total area of its two bases is 2 : 1. If the total surface area of cylinder is 23100 cm2, then what is the volume (in cm3) of cylinder?

The average weight of 3 men A, B and C is 84 Kg. Another man D joins the group and the average now becomes 80 Kg. If another man E whose weight is 3 Kg more than that of D, replaces A then the average weight of B, C, D and E becomes 79 Kg. What is the weight of A?

What is the value of [2 cot × (p – A)/2]/[1 + tan2× (2p – A)/2]?

If [√(a2 + b2 + ab)] + [√(a2 + b2 – ab)] = 1, then what is the value of (1 – a2 )(1 – b2 )?