Question
Pipe 'X' alone takes 20 minutes to fill half of the empty tank. Pipe 'Y' is twice as efficient as pipe 'X'. What percentage of the tank is filled by pipes 'X' and 'Y' working together in 10 minutes?
More Difficult level Section Tests Questions
- A merchant made a profit of Rs. 600 on selling a gadget. Had the cost price been Rs. 400 lower and the selling price Rs. 900 more, the profit would have be...
- The present ages of Priya and Tina are in the ratio 2:5, respectively. Eight years hence, the ratio of their ages will become 5:11. Find the present age of...
- Find the greatest 3-digit number which when divided by 11 or 16 leaves 3 as remainder.
- Determine the co-ordinates of the point where the line through the points A (3, 4, 1) and B (5, 1, 6) crosses the XY- plane?
- 10 dogs can finish 20 trays of food in 25 hours. How long will it take 5 dogs to consume 16 trays of food?
- Ravi’ spends 60% of his income whereas ‘Karan’ spends 80% of his income. If each of them saves Rs. 6,000, then find the total expenses of ‘Ravi’ and ‘Karan...
- The cost price of a product is Rs. 400. The shopkeeper marks it 25% above the cost price and then offers a discount of 10%. Calculate the overall gain or l...
- Three figures are given such that the first is 45% less than the third, and the second is 50% less than the third. The first figure is what percent of the ...
- Ravi invested Rs. 10,200 at 20% p.a. for 2 years and Rs. 11,500 at 28% p.a. for 2 years on simple interest. What is the total interest he earned?
- Find the simplified value of the expression: 81 ÷ 9 of 3 × 4 + [12 of 5 – {18 of 2 × (10/5) ÷ 36}] – 15
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)