Rs. 156 is to be shared among 40 students, if each girl receives Rs.4.50, and boy receive Rs.3.50. Find the ratio of number of boys and girls.
How many Kg of rice costing rupees 19 per kg must be mixed with 26 Kg of rice costing Rs.25 per Kg, so that there may be a gain of 17.5% by selling the ...
- Find the exact value of tan 225°
If a relation R on the set of integers Z is defined as
a R b ⇔ a - b ∈ Q,
then the relation is:
- A shopkeeper makes a profit of 25% by selling an item for Rs. 500. What should be the selling price to make a profit of 40%?
A rectangle has a length that is 4 cm more than its width. If the perimeter of the rectangle is 32 cm, find the dimensions of the rectangle.
Quantity I: Tara invested a certain amount in a simple interest scheme at a rate of 18% per annum for 5 years, while Rina invested the same amount in a...
Evaluate: 1 + tan²(cos⁻¹x)
The speed ratio of train A to train B is 3:2, and both trains are of equal length. Train A takes x seconds to cross train B when they are moving in the ...
