For the following questions answer them individually
The price of 2 trousers and 4 shirts is Rs. 1,600. With the same amount one can buy 1 trouser and 6 shirts. If one wants to buy 12 shirts, he has to pay
If $$x = \left(\frac{3}{2}\right)^{2} \left(\frac{2}{3}\right)^{-4}$$, the value of $$x^{-2}$$ is
A dealer buys an article for Rs. 380.00. What price should he mark so that after allowing a discount of 5% he still makes a profit of 25% on the article?
In a factory, the production of scooters rose to 48,400 from 40,000 in 2 years. The rate of growth per annum is
When $$16X^4 + 12 A^3 - 10.X^2 + 8X + 20$$ is divided by $$4X - 3$$, the quotient and the remainder are, respectively
The sum of two numbers is 2490. If 6.5% of one number is equal to 8.5% of the other, the numbers are
120 men had food provision for 200 days. After 5 days, 30 men died of an epidemic. The food will last for further
Out of the total income, X spends 20% on house rent and 70% of the remaining amount on household expenditure. If X saves Rs. 1800, the total income is