Question

(f)(-8) + (-4) (-8) - (-4) (g) 23 – 41 + 11 23 –-41 – 11 Q9) Multiply: a) 1.25 x 20 b) 8.88 x 10000 c) 3.01 x 1.1 Q10). Evaluate: a) 5.134 ÷ 1.7 b) 0.9257 ÷ 100 c) 2.73 ÷ 1.3 q11). What should be added to 4.187 to get 9? Q12) Convert 75m into cm. Q13) What is the perimeter of a rectangle with length 0.42m & breadth 31.5cm? Q14) Mrs. Sunita uses 3.204 litres of oil to make 9 dishes of equal proportion. How much oil was used for each dish? Q15). By what number 0.014 be multiplied to get 1.4. Q16)A cement company earns a profit of Rs 8 per bag of white cement sold and a loss of Rs 5 per bag of grey cement sold. (a) The company sells 3,000 bags of white cement and 5,000 bags of grey cement in a month. What is its profit or loss? (b) What is the no. of white cement bags it must sell to have neither profit nor loss, if the no. of grey bags sold is 6,400 bags. Q17)Solve a) 2-(3/5) b) 4+(7/8) c) 8(1/2)-3(5/8) d) 20×(4/5) e) 1/2 0f i) 24 ii) 26 f) 3×5(1/5) g)4(1/3)÷3 h) 5÷3(4/7) i) 3(2/5)÷2(3/5) j) (4/7)÷ 3(1/2) Q18) 27.9-18.3+123.42-45.58

Answer 1

Answer:

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