Exams

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?

In networks, a small message used to pass between one station to another is known as ____________

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

In a strange ________________, the production and the consumption of the event become cause for concern. _______________ wonders whether newer forms of “non­caring” or violence are appearing. Somehow, silence, even __________________, quietly suppresses a meditation on such events. __________________ a professor, I can recollect the number of occasions when my students have cried as we discussed such events in class. _____________, society seems so indifferent.

_____________, society seems so indifferent.

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:3 and area of ΔABC is 100 sq cm, what is the area (in sq cm) of quadrilateral BDEC?

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.

The love which is based on physical beauty is not ______.

The order of rotational symmetry of a rectangle is

38% of 250 is equal to

In a bag, the ratio of red balls to green balls is 4:9. If 7 more red balls are added to the bag, the ratio of red balls to green balls will become 5:6. How many green balls are there in the bag?