Questions

Two circles of same radius intersect each other at P and Q. If the length of the common chord is 30 cm and distance between the centres of the two circlesis 40 cm, then what is the radius (in cm) of the circles?

A boat goes 15 km upstream and 10 1/2 km down stream in 3 hrs 15 min. It goes 12 km upstream and 14 km downstream in 3 hrs. What is the speed of the boat in still water?

Select the related word/letters/numbers from the given alternatives: 6 : 42 :: 12 : ?

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Extant

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Galileo was the first scientist to recognize clearly that the only way to further our understanding of the physical world was to______ to experiment.

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one, which best expresses the same sentence in Passive/Active voice.

The most useful gift of my wedding was given to me by my aunt.

'Cow' has been declared as the personality of the year 2015 by

Jimmy Wales and Larry Sanger are associated with?