mathsproblems

In the second terminal examination Sharad score 65 marks in English 75 in Hindi 65 in social science city to invest in 91 and science is the maximum marks of for each object is 100 find the percentage of an aggregate marks

In an entrance examination 21% of the candidates passed if a total of 3150 candidates passed the examination find the total number of candidates that appeared in the examination

A garden has 2000 trees. 12%of these are mango trees. 18% lemon trees and research are orange trees. Find the number of orange trees.

120 thousand cars were manufactured in a country in the year 2004-05. the production of cars increased to 150 thousand in 2005-06. find the percentage increase in the manufacture of cars.​

An alloy consists of 35% zinc 45% nickel and the remaining 20% copper. find the mass of zinc nickel and copper in 1kg of alloy

The value of car decreases from 450000 to 375000 find the percentage in the price of car