CBSE cancelled its two-term exam system from next session!

Product of a G.P whose 1^(st) and last term are a and b is P. If two terms equisdistant from both sides are removed the product of remaining terms of series is P', then P/(P') is

If in a geometric progression consisting of positive terms, each term equals the sum of the next two terms, then the common ratio of this progression equals

A body cools in 7 min from 60^@C to 40^@C What will be its temperature after the next 7 min? The temperature of surroundings is 10^@C .

A body cools in 7 min from 60^@C to 40^@C What will be its temperature after the next 7 min? The temperature of surroundings is 10^@C .

A point moves such that the sum of the squares of its distances from the two sides of length ‘a’ of a rectangle is twice the sum of the squares of its distances from the other two sides of length b. The locus of the point can be:

Each term of a sequence is the sum of its preceding two terms from the third term onwards. The second term of the sequence is -1 and the 10th term is 29. The first term is "_________"

Sum of an infinite G.P is 2 and sum of its two terms is 1.If its second terms is negative then which of the following is /are true ?

A body cools in 10 minutes from 60^@C to 40^@C . What will be its temperature after next 10 minutes? The temperature of the surroundings is 10^@C .

Deriving the properties of a bigger, more complex system from the properties and Interaction of its constituent simpler parts is

The cells, which suppress the entire immune system from its attack in the same body, are known as