Question

557
17. Ahmad buys one book for Rs. 44, two books for 65 each, and three books for Rs. 80
each, what will be the average price of books?
18. Seemab buys two articles for Rs. 15 each and three articles for 35 each. Find the
average price of the articles.
19. Maham buys two diaries for Rs. 75 each, two diaries for Rs. 100 and two diaries for
125 each, what will be the average price of diaries?
20. Hamid buys two wall clocks for Rs. 150 each, three wall clocks for Rs. 200 and one
wall clock for 300 each. Find the average price of the wall clocks.
21. Abbas's average on 4 tests is 45. What does he need on his 5th test to raise his
average
50?
22. Ali's average on 5 tests is 55. What does he need on his 6th test to raise his average 57?
23. The average of 6 tests is 8. What is the score needed in 7th test for an average of 9?
24. The average of 4 tests is 12. What is the score needed in 5th test for an average of 13?
does she need on her 4th test to​

Answer 1

17 answer :

1(44) + 2(65) + 3(80)

= 44 + 130 + 240

= 414

414 is the answer of 17th question

Answer 2

Answer:

Step-by-step explanation:

1×44

2×65

3×80

414\6=69Ans