Exams

The simple interest on a certain sum of money invested at a certain rate for 2 years amounts to Rs. 1200. The compound interest on the same sum of money invested at the same rate of interest for 2 years amounts to Rs. 1290. What was the principal?

If 3cos2x - 2sin2x = -0.75 and 0°⩽ x ⩽ 90°, then x = ?

The consumption schedule is such that

Select the option that will correctly fit in the blank space in the given figure series.

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 appropriate option. If a sentence is free from error, select 'No Error'.

I look up (1)/ after the blast (2)/ of light enveloped the park. (3)/ No error (4)

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

In a way that is clear or obvious to the eye or mind

At 6% simple interest per annum a sum of money became Rs. 834 in 6.5 years. The sum initially invested was

A sum of Rs 20000 becomes Rs 32000 in 12 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?