Rohan's income doubles after every one year. If the initial income was Rs. 4 lakhs, What would be the income after 6 years?

3/8 of 168 × 15 / 5 + X = 549 / 9 + 275

In the quadratic equation ax^2 - 11x + 40 = 0, if the sum of two roots is 1.1, what is the product of the two roots?

The value of “A” varies in inverse proportion as the square of “B”. If the value of “A” is equal to 40 when “B” is equal to 12. What would be the value of “A” when “B” is equal to 24 ?

Out of the three numbers A, B and C, A exceeds B by 20 and C exceeds A by 55. If the sum of all the numbers is 230, What is the difference between the largest and the smallest number?

On simplification, 3500 – (1000 ÷ 20.50) is equal to

If 2x +3y = 30 and (x+y)/y = 11/8, then find the value of 5y + 6x

The timing of a college is from 12 p.m to 4.20 p.m. Five lectures are held in the given duration and a break of 5 minutes after each lecture is given to the students. Find the duration of each lecture.

A bonus of Rs.2800 is to be divided among 3 people such that Alex gets twice as much as David, who receives one-fourth as much as Peter. What amount did Peter get?

In a maths test, students were asked to find 5/16 of a certain number. One of the students by mistake found 5/6th of that number and his answer was 200 more than the correct answer. Find the number.