Selina Concise Class 7 Math Chapter 4 Decimal Fractions Exercise 4F Solution

Selina Concise Class 7 Math Chapter 4 Decimal Fractions Exercise 4F Solution

EXERCISE 4F

(1) Weight of 1 object = 3.06 kg

∴ Weight of 48 similar object = (48 × 3.06) = 146.88 kg

(2) Cost of 1 metre cloth = Rs 112.50

∴ Cost of 17.5 metre cloth = Rs (112.50 × 17.5) = Rs 1968.75

(3) Cost of 1 kg oil = Rs 73.40

∴ Cost of 9.75 kg oil = Rs (73.40 × 9.75) = Rs 715.65

(4) Weight of 8 identical objects = 51.2 kg

∴ Weight of each object = (51.2 ÷ 8) kg = 6.4 kg

(5) Cost of 18.5 m of cloth = Rs 666

∴ Cost of 1 m of cloth = Rs (666 ÷ 18.5) = Rs 36

∴ Cost of 3.8 m of cloth = Rs (36 × 3.8) = Rs 136.8

(6) Find the value of:

(7) Evaluate:

Get Next Exercise 5A solution Click Here

 


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