Question
John can do a piece of work alone in 20 days, while Ravi can do the same piece of work alone in 28 days. In how many days can the duo complete the same work if they work together?
More Previous year papers Questions
- A can do a work in 20 days and B in 25 days. If they work together on it for 5 days, the fraction of remaining work is ________.
- Z1 express and X1 Express are two trains of 695 m and 625 m long, run at the rate of 203 km/h and 193 km/h respectively on parallel rails. How many s will ...
- Two-fifths of Narendra's salary is equal to Amit's salary and seven-ninths of Amit's salary is equal to Arun's salary. If the sum of the salaries is ₹770, ...
- Chethan is called for 3 interviews based on his score in a written exam. There are 8 candidates in the first interview, 10 in the second, and 5 in the thir...
- What is the speed (in km/h) of the car during the first 45 minutes?
- A piece of wire 132 cm long is bent successively in the shape of an equilateral triangle, a square and a circle. Then area will be longest in shape of
- Suppose p = √3 + √7, q = √8 + √2 and r = 2√3 + 2. Which of the following is true?
- The ratio of boys and girls in a school is 27 : 23. If the difference between the number of boys and girls is 200, then find the number of boys.
- If θ is an acute angle and sin θ + cosec θ = 2, then the value of sin⁵ θ + cosec⁵ θ is:
- The average of five number is 12 and the average of three of those number is 14Find the average of the rest of the two numbers.
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
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)