Exams

In a triangle ABC, ∠A = 70°, ∠B = 80° and D is the incentre of ΔABC. ∠ACB = 2x° and ∠BDC = y°. The values of x and y, respectively are

The simple interest on a sum of money is 16/25 of the principal. The number of years is equal to the rate of interest per annum. What is the rate (in percentage) of interest per annum?

If the frequency of a sound wave of given velocity is increased , how will it affect its wavelength?

Which among the following cannot be included among greenhouse gases?

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

20 ÷ 12 - 30 + 10 x 10 = ?

Among four cars, weight of C1 is twice the weight of C2. Weight of C3 is half of the weight of C2. C4 is 40 kg heavier than C2, but 40 kg lighter thanC1. What is the weight (in kg) of C4?

Which of the following is a feature of aerobic metabolism?

Who wrote the National song of India?