Question
How much does a watch loss per day, if its hands
coincide every 60 minutes?Solution
55 minutes spaces are covered in 60 minutes. 60 minutes spaces are covered in [(60 × 60)/55] = 65 5/11 minutes Loss in 60 minutes (65 5/11 - 60) minutes = 5 5/11 minutes or 60/11 minutes Loss in 24 hours = 60/11 × 1/60 × 24 × 60 = 1440/11 or 130 10/11 minutes.
A jar contains a mixture of milk and water in the ratio 7:5, respectively. If 9-litres of the mixture is taken out, then the quantity of water left in t...
The sides of a triangle are 13 cm, 14 cm, and 15 cm. What is the radius of the circumcircle of this triangle?
The radius of a cylinder is 3 cm and its height is 10 cm. What is its total surface area?
The average height of a basketball team consisting of 18 players is 185 cm. If the height of the coach and the assistant coach is...
If the geometric mean of 4, 18, and (p + 4) is 12, what is the value of '0.4p'?
An item priced at Rs. 1,500 has a markup of 36% on its cost price and is sold with two successive discounts: the first being 15% ...
A merchant has two types of sugar. Type A costs 50 per kg, and Type B costs 70 per kg. In what ratio should the two types be mixed to get a mixture that...
(28×17÷4) – (1040÷13) = ?
Which of the following option can be used to change page-size and margins?
A person, "A," sells an item for Rs. 380.8 and incurs a 15% loss. At what price should "A" sell the item to achieve a 5% profit?
Relevant for Exams:
