The angles of triangle are in the ratio 3:4:5 the measure of the largest angle of the triangle is

The ratio of the marks of Kamlesh in the examination of two subjects English and Mathematics is 7 : 11. If he got 20 marks more in Mathematics than in English, then how many marks did he get in English?

On a sum Rina earn a interest of Rs. 1519 at S.I. in 7 years at 7% p.a. Find the sum.

A certain sum, invested at 4% per annum compound interest, compounded half yearly, amounts to Rs. 7,803 at the end of one year. The sum is: 

Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x² + 13x + 42 = 0
II. y² – 2y - 63 = 0

$$ if \ {1\over x}+x=4,$$ then find $${1\over x^2}+x^2$$

If the diagonals of two squares are in the ratio of 2: 5, their area will be in the ratio of

Directions : In an Institution there are 800 students. Students use different modes of transport for going to the institution and return. The given pie diagram represents the requisite data. Study the diagram carefully and answer the questions.

If the total amount spent by the Government during the year was ₹ 3,00,000 crores, the amount spent on state development exceeds that on sports by