Questions

If D and E are points on the sides AB and AC respectively of a triangle ABC such that DE||BC. If AD = x cm, DB = (x – 3) cm, AE = (x + 3) cm and EC= (x – 2) cm, then what is the value (in cm) of x?

If (a+1a)2=3,then the value of a6-1a6 will be

The length of a chord which is at a distance of 5cm from the centre of a circle of radius 13cm is

Churches and Convents of Goa were built by?

Permanent settlement was a feature of___________.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriateoption. If a sentence is free from error, select 'No error'.

These kind of clothes (1)/ are rather expensive (2)/ for me to buy. (3)/ No Error (4)

In a water molecule, the ratio of mass of Hydrogen to the mass of Oxygen is always:

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).