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#8.6

Q : 4 Rani had Rs $\small 18.50$ . She bought one ice-cream for Rs $\small 11.75$ . How much money does she have now?

Total Money Rani had = Rs 18.50

The money she spent on ice-cream = 11.75

The Remaining money Rani have = Rs 18.50 - Rs 11.75

= Rs 6.75

Hence Rani has 6.75 Rs now.

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Pankaj Sanodiya

#8.6

Q : 3 Raju bought a book for Rs $\small 35.65$ . He gave Rs 50 to the shopkeeper. How much money did he get back from the shopkeeper?

Total money Raju gave to shopkeeper = Rs 50

The price of the book = Rs 35.65

Money shopkeeper will return Raju = Rs 50.00 - Rs 35.65

= Rs 14.35

Hence Raju got 14.35 Rs from the shopkeeper.

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Pankaj Sanodiya

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#8.6

Q : 2    Find the value of :

            (a) $\small 9.756 - 6.28$

             (b) $\small 21.05 -15.27$

            (c) $\small 18.5 - 6.79$

             (d) $\small 11.6 - 9.847$

As we know, subtraction in decimal works exactly like normal subtraction, we just have to maintain the place of decimal.

So

(a) $\small 9.756 - 6.28$

$9.756$

$-6.280$

$3.476$

(b) $\small 21.05 -15.27$

$21.05$

$-15.27$

$5.78$

(c) $\small 18.5 - 6.79$

$18.50$

$-6.79$

$11.71$

(d) $\small 11.6 - 9.847$

$11.600$

$-9.847$

$1.753$

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Pankaj Sanodiya

#8.6

Q : 1    Subtract :

            (a) Rs $\small 18.25$ from Rs $\small 20.75$

            (b) $\small 202.54$ m from 250 m

            (c) Rs $\small 5.36$ from Rs $\small 8.40$

            (d) $\small 2.051$ km from $\small 5.206$ km

            (e) $\small 0.314$ kg from $\small 2.107$ kg

As we know, subtraction in decimal works exactly like normal subtraction, we just have to maintain the place of decimal.

So

(a) Rs $\small 18.25$ from Rs $\small 20.75$

$20.75$

$-18.25$

$2.50$ Rs

(b) $\small 202.54$ m from 250 m\

$250.00$

$-202.54$

$47.46$ m

(c)Rs $\small 5.36$ from Rs $\small 8.40$

$8.40$

$-5.36$

$3.04$ Rs

(d ) $\small 2.051$ km from $\small 5.206$ km

$5.206$

$-2.051$

$3.155$ km

(e) $\small 0.314$ kg from $\small 2.107$ kg

$2.107$

$-0.314$

$1.793$ kg

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Pankaj Sanodiya

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#8.6

Q : 7 Aakash bought vegetables weighing 10 kg. Out of this, 3 kg 500 g is onions, 2 kg 75 g is tomatoes and the rest is potatoes. What is the weight of the potatoes?

Total weight of the vegetables = 10 kg

weight of onion = 3 kg 500 g = 3.5 kg

weight of tomato = 2 kg 75 g = 2.075 kg

Total weight of onion and potato = 3.5 kg + 2.075 kg

= 5.575 kg

So, The rest weight of potato = 10 kg - 5.575 kg

= 4.425 kg

Hence, the weight of the potato is 4.425 kg.

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Pankaj Sanodiya

#8.6

Q : 6 Namita travels 20 km 50 m every day. Out of this she travels 10 km 200 m by bus and the rest by auto. How much distance does she travel by auto?

Total distance travelled by Namita = 20 km 50 m = 20.05 km

The distance travelled by bus = 10 km 200 m = 10.20 km

The remaining distance, which is travelled by auto, = 20.05 km - 10.20 km

= 9.850 km.

Hence, the distance travelled by Namita in auto is 9.850 km.

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Pankaj Sanodiya

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#8.6

Q: 5 Tina had 20 m 5 cm long cloth. She cuts 4 m 50 cm length of cloth from this for making a curtain. How much cloth is left with her?

Length of cloth initially = 20 m 5 cm = 20.05 m

Length of cloth Tina cuts = 4 m 50 cm = 4.50 m

The length of remaining cloth = 20.05 m - 4.50 m

= 15.55 m

= 15 m 55 cm

Hence the length of remaining cloth Tina have is 15 m 55 cm.

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Posted by

Pankaj Sanodiya