The lengths of the three sides of a right-angled triangle are (x - 1) cm, (x +1) cm and (x + 3) cm, respectively. The hypotenuse of the right-angled triangle (in cm) is:

Directions:  Study the bar-graph given below & answer the questions.
Pie-chart given below shows the percentage distribution of total no. of boys in six different Schools.
Total Boys in all schools together = 6400

What is the average of total no. of boys in school A, C and F?

Direction: The following table shows the number of students of 7 colleges A, B, C, D, E, F, G participating in extra-curricular activities :

The ratio of total number of students in activity II and I is ?

Ishita can read a newspaper in 'n' minutes. What part of the newspaper can she read in 7 minutes (n>7)

Find two such numbers whose middle proportional is 18 and third proportional is 144.

Answer the following questions

Anshul borrowed Rs.24800 from Deepak at 8% p.a. simple interest for 4 years. He then added some more money to the borrowed sum and lent it to Rajeev for the same period at 10% p.a. If Anshul gains Rs. 5184 in the whole transaction, how much money did he add from his side?

Study the given graph and answer the question that follows.

In how many years was the revenue of the company more than 1.2 times the average expenditure over the given five years?

At what rate per annum will Rs. 32000 yield a compound interest of Rs. 5044 in 9 months interest being compounded quarterly?