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Telegram -Q 1.The average only in2020 was Rs. 560.590 and for the lasmonths for 14th, 15t(a) Rs. 545(b) RsQ 2.The average of 19 nis 50.6 and that of texcluded, then whato one decimal pape1947.(a) 42.4(b) 491.dsYoutube channel -[Average]ncome of Shyam Lalduring the mThe average income for the firsst 16 days at was Rs. 500. Whathand 16thFebruarys. 400(c) Rs. 590(dnumbers is 48. The average of ththe last 13 numbers is 47.6. Ifat is the average of the remaininer?487.679.5(c) 39.62.de.com/c/ABHINAYMATHSmonth of Februaryst 16 days was Rs.at was his averaged) Rs. 587he first 7 numbersthe 7thnumbers isng numbers correct50.613(d) 47.3
Telegram -Youtube channel -Q 3.The average height of a certain number of students in a group 155.6cm. If 12 students having an average height of 150.5 cm join thegroup and 7 students having an average height of 159 cm leave thegroup, the average height of the students in the group will decreaseby 34 mm, what is the number of students, initially, in the group ?155.6 cm150.5 cm12159 cm734 mm
Q 4.The average of eighteen numbers is 42. The average of the last tennumbers is 40 and that of the first five numbers is 44. The seventhnumber is 6 then the sixth and 7 less than the eight number. Theaverage of the sixth and the sixth number is :
Q 5.The numbers 2, 3, 4 and 5 occur (2 + 5k), (5k – 7), (2k – 3) and (k – 2)times, respectively. The average of the numbers is 2.85. Later on, thenumber 2 was replaeced by 6 in all the places. What is the average ofthe new numbers ?2, 3, 45(2 + 5k), (5k – 7), (2k – 3)(k – 2)2.85
3.d4.b5.b
Telegram -Youtube channel -Q 6.The average weight of 3 persons A,B and C is 60 kg. When D joinsthe group, the average weight becomes 65kg. When another person Ewhose weight is 3kg less than that of D replaces A, the averageweight of B, C, D and E becomes 67 kg. What is the weight of A?A,BC60 kgD65kgED3kgAB, C, DE67 kgA(a) 60 kg(b) 69 kg(c) 72 kg(d) 65 kg

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