For the following questions answer them individually
If $$2x(x+y+z)$$ = 250, $$2y(x+y+z)$$ = 100, $$2z(x+y+z)$$ = 100, then find the value of $$(3x+6y+15z)$$.
By selling an article for Rs. 979, a shopkeeper bears a loss of 11%. If shopkeeper sells that article for Rs. 1232, then the profit % is :
The HCF and LCM of two numbers are 45 and 270 respectively. If the ratio of the two numbers is 2:3 and smaller of the two numbers is X, then find $$X^2$$
Consider the following information and answer the questions based on it.
Out of 200 kids, 20 wanted to see only the galaxy, 25 wanted to see only stars, 30 wanted to see only planets, 50 wanted to see stars, planets and moon, 25 wanted to see both moon and galaxy, 25 wanted to see only moon and the remaining did not want to see anything.
For the following questions answer them individually
Manish purchased mobile phone and got 50% concession on the marked price of the phone and sold it for Rs. 8100 with 35% profit on the price he bought. What eras the marked price?
