Question

Determine the value of (70% of 90) - (90% of 70). 7F 60% of a number is 4.2, then find the number. A school library has 120 encyclopaedias. If this constitutes 30% of its total books, find the number of boo the school library. A number decreased by 40% gives 160. Find the number. A farmer earned revenue by selling paddy. He kept 17% of the revenue for further investment. If he has invested 2,244, then find his total revenue. Ram scored 459 marks and Riya scored 702 marks in an exam. If Ram scored 51% marks, what is the percentag of marks scored by Riya? Kareem donated 10% of his monthly salary to a charity and spent 30% of the remaining amount on perse expenses. He is left with 27,560. What is Kareem's salary? * of a pThe speedassenger train is 70 km per hour. The speed increases by 20% every hour. What will be its In an election, 35% of the valid voters voted for candidate A and 25% voted for candidate B. If 240 vots not vote, how many valid voters are there? after 2 hours? Life Skills A family decided to celebrate Children's Day with the children of an orphanage. They carried 45 choco pens, and 180 pastries with them to distribute among the children of the orphanage. (a) What is the ratio of the number of pens to the number of pastries? (b) What is the percentage of chocolates among all items being distributed? Tirom this month onwa​

Answer 1

Answer:

the answer is speed trains so it will be 20 percent

every hour by the maximum speed thanks

Step-by-step explanation:

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