Question
Benny can do a piece of work in 24 days. Chethan and David can do the same work individually in 36 and 48 days, respectively. All of them begin the work together. However, Benny leaves the work 4 days before the completion of work and Chethan leaves the work 10 days before the completion of the work. David worked till the end and completed the work. Find the number of days in which the work was completed.
More Previous year papers Questions
- If the perimeter of an isosceles right triangle is 8 (√ 2 +1) cm, then the length of the hypotenuse of the triangle is:
- A rectangular wheat field has an area of 1682 sq.metres whereas its perimeter is 29 x 3 x 2 metres. If the length and breadth are positive integers, then f...
- If a + b + c = 19, a2 + b2 + c2 = 133 and ac = y2 , then the difference between c and a is:
- A conical vessel has radius 4 cm and its curved surface area is 20 π cm2. The volume of conical vessel is:
- In a mixture of 90L, the ratio of milk and water is 4:5. If this ratio is to be 5:4, then quantity of milk to be added further is____.
- A chord, at a distance of 1 unit from the centre, has a length equal to k² sin (π/4) and the radius of the circle is (-k) sin(π/3). What is the value of k...
- If cotθ = 4/3, then evaluate (secθ(1 + cot² θ) (cosec² θ – cot² θ))/cosec³ θ.
- Four years ago, the age of the mother was 13 times the age of her daughter. Two years hence, the mother's age will be 4 times the daughter's age. After how...
- John deposited $1200 in a bank account. After 4 years, the total amount in the account is $1400. Find the rate of simple interest per annum.
- What is the value of the following expression? 108 ÷ 18 × 3 – 64 × 2 ÷ 32 + 80 ÷ 5 of 4
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
