Exams

In the following question, select the related number from the given alternatives.
243 : 578 : : 163 : ?

What is the simplified value of 1-sin A1+sin A ?

Triangle ABC is similar to triangle PQR and AB : PQ = 2 : 3. AD is the median to the side BC in triangle ABC and PS is the median to the side QR in triangle PQR. What is the value of (BD/QS)2?

Ajay can do a painting in 12 days. Amit is 70% more efficient than Ajay. What is the number of days Amit would need to finish the same painting?

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

An ∝ particle is _____.

To travel 648 km, an Express train takes 12 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 6 hours less than Rajdhani. The speed of Rajdhani is _____.

Who was the first man to go to space?