Earning of 10 days = ₹3000 ∴ Earning of 1 day = 3000/10 ∴ Earning of 30 days = ₹300 x 30 = ₹9,000 Thus, the earning of 30 days is ₹9,000. https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-12/
Earning of 10 days = ₹3000
∴ Earning of 1 day = 3000/10
∴ Earning of 30 days = ₹300 x 30 = ₹9,000
Thus, the earning of 30 days is ₹9,000.
Cost of 7 m of cloth = ₹1470 ∴Cost of 1 m of cloth = 1470/7=₹210 ∴ Cost of 5 m of cloth = ₹210 x 5 = ₹1050 Thus, the cost of 5 m of cloth is ₹1050. https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-12/
Cost of 7 m of cloth = ₹1470
∴Cost of 1 m of cloth = 1470/7=₹210
∴ Cost of 5 m of cloth = ₹210 x 5 = ₹1050
Thus, the cost of 5 m of cloth is ₹1050.
(a) 25 cm : 1 m = 25 cm : (1 x 100) cm = 25 cm : 100 cm = 25/100 = 1/4 = 1 : 4 ₹40 : ₹160 = 40/160 = 1/4 = 1 : 4 Since the ratios are equal, therefore these are in proportion. Middle terms = 1 m, ₹40 and Extreme terms = 25 cm, ₹160 (b) 39 litres : 65 litres = 39/65=3/5 6 bottles : 10 bottles = 6/10Read more
(a) 25 cm : 1 m = 25 cm : (1 x 100) cm = 25 cm : 100 cm = 25/100 = 1/4 = 1 : 4
₹40 : ₹160 = 40/160 = 1/4 = 1 : 4
Since the ratios are equal, therefore these are in proportion.
Middle terms = 1 m, ₹40 and Extreme terms = 25 cm, ₹160
(b) 39 litres : 65 litres = 39/65=3/5
6 bottles : 10 bottles = 6/10 = 3/5 = 3:5
Since the ratios are equal, therefore these are in proportion.
Middle terms = 65 litres, 6 bottles and Extreme terms = 39 litres, 10 bottles
(c) 2 kg : 80 kg = 2/80=1/40= 1 : 40
25 g : 625 g = 25/625=1/25=1:25
Since the ratios are not equal, therefore these are not in proportion.
(d) 200 ml :2.5 litres =200 ml:(25000)litres=200 ml : 2500 ml=200/2500=2/25=2:25
₹4:₹50= 4/50=2/25=2:25
Since the ratios are equal, therefore these are in proportion.
Middle terms = 2.5 litres, ₹4 and Extreme terms = 200 ml, ₹50
Ekta earns ₹3000 in 10 days. How much will she earn in 30 days?
Earning of 10 days = ₹3000 ∴ Earning of 1 day = 3000/10 ∴ Earning of 30 days = ₹300 x 30 = ₹9,000 Thus, the earning of 30 days is ₹9,000. https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-12/
Earning of 10 days = ₹3000
∴ Earning of 1 day = 3000/10
∴ Earning of 30 days = ₹300 x 30 = ₹9,000
Thus, the earning of 30 days is ₹9,000.
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-12/
See lessIf the cost of 7 m of cloth is ₹1470, find the cost of 5 m of cloth.
Cost of 7 m of cloth = ₹1470 ∴Cost of 1 m of cloth = 1470/7=₹210 ∴ Cost of 5 m of cloth = ₹210 x 5 = ₹1050 Thus, the cost of 5 m of cloth is ₹1050. https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-12/
Cost of 7 m of cloth = ₹1470
∴Cost of 1 m of cloth = 1470/7=₹210
∴ Cost of 5 m of cloth = ₹210 x 5 = ₹1050
Thus, the cost of 5 m of cloth is ₹1050.
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-12/
See lessDetermine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion: (a) 25 cm : 1 m and ₹40 : ₹160 (b) 39 litres : 65 litres and 6 bottles : 10 bottles (c) 2 kg : 80 kg and 25 g : 625 g (d) 200 ml : 2.5 ml and ₹4 : ₹50
(a) 25 cm : 1 m = 25 cm : (1 x 100) cm = 25 cm : 100 cm = 25/100 = 1/4 = 1 : 4 ₹40 : ₹160 = 40/160 = 1/4 = 1 : 4 Since the ratios are equal, therefore these are in proportion. Middle terms = 1 m, ₹40 and Extreme terms = 25 cm, ₹160 (b) 39 litres : 65 litres = 39/65=3/5 6 bottles : 10 bottles = 6/10Read more
(a) 25 cm : 1 m = 25 cm : (1 x 100) cm = 25 cm : 100 cm = 25/100 = 1/4 = 1 : 4
₹40 : ₹160 = 40/160 = 1/4 = 1 : 4
Since the ratios are equal, therefore these are in proportion.
Middle terms = 1 m, ₹40 and Extreme terms = 25 cm, ₹160
(b) 39 litres : 65 litres = 39/65=3/5
6 bottles : 10 bottles = 6/10 = 3/5 = 3:5
Since the ratios are equal, therefore these are in proportion.
Middle terms = 65 litres, 6 bottles and Extreme terms = 39 litres, 10 bottles
(c) 2 kg : 80 kg = 2/80=1/40= 1 : 40
25 g : 625 g = 25/625=1/25=1:25
Since the ratios are not equal, therefore these are not in proportion.
(d) 200 ml :2.5 litres =200 ml:(25000)litres=200 ml : 2500 ml=200/2500=2/25=2:25
₹4:₹50= 4/50=2/25=2:25
Since the ratios are equal, therefore these are in proportion.
Middle terms = 2.5 litres, ₹4 and Extreme terms = 200 ml, ₹50
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-12/
See lessAre the following statements true: (a) 40 persons : 200 persons = ₹15 : ₹75 (b) 7.5 litres : 15 litres = 5 kg : 10 kg (c) 99 kg : 45 kg = ₹44 : ₹20 (d) 32 m : 64 m = 6 sec. : 12 sec. (e) 45 km : 60 km = 12 hours : 15 hours
(a) 40 persons : 200 persons = 40/200 = 1/5 = 1:5 ₹15 : ₹75 = 15/75 = 1/5 = 1:5 Since, 40 persons : 200 persons = ₹15 : ₹75 Hence, the statement is true. (b) 7.5 litres : 15 litres = 7.5/15=75/150=1/2=1:2 5 kg : 10 kg = 5/10 = 1/2 = 1 : 2 Since, 7.5 litres : 15 litres = 5 kg : 10 kg Hence, the stateRead more
(a) 40 persons : 200 persons = 40/200 = 1/5 = 1:5
₹15 : ₹75 = 15/75 = 1/5 = 1:5
Since, 40 persons : 200 persons = ₹15 : ₹75
Hence, the statement is true.
(b) 7.5 litres : 15 litres = 7.5/15=75/150=1/2=1:2
5 kg : 10 kg = 5/10 = 1/2 = 1 : 2
Since, 7.5 litres : 15 litres = 5 kg : 10 kg
Hence, the statement is true.
(c) 99 kg : 45 kg = 99/45=11/5=11:5
₹44 : ₹20 = 44/20=11/5 = 11 : 5
Since, 99 kg : 45 kg = ₹44 : ₹20
Hence, the statement is true.
(d) 32 m : 64 m = 32/64 = 1/2 = 1:2
6 sec : 12 sec = 6/12 = 1/2 = 1:2
Since, 32 m : 64 m = 6 sec : 12 sec
Hence, the statement is true.
(e) 45 km : 60 km = 45/60=3/4=3:4
12 hours : 15 hours = 12/15=4/5=4:5
Since, 45 km : 60 km ≠ 12 hours : 15 hours
Hence, the statement is not true.
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-12/
See lessWrite True (T) or False (F) against each of the following statements: (a) 16 : 24 : : 20 : 30 (b) 21 : 6 : : 35 : 10 (c) 12 : 18 : : 28 : 12 (d) 8 : 9 : : 24 : 27 (e) 5.2 : 3.9 : : 3 : 4 (f) 0.9 : 0.36 : : 10 : 4
(a) 16 : 24 :: 20 : 30 ⇒ 16/24 = 20/30 ⇒ 2/3=2/3 Hence, it is True. (b) 21 : 6 :: 35 : 10 ⇒ 21/6=35/10 ⇒ 2/3=3/7 Hence, it is False. (d) 8 : 9 :: 24 : 27 ⇒ 8/9=24/27 ⇒ 8/9=8/9 Hence, it is True. (e) 5.2 : 3.9 :: 3 : 4 ⇒ 5.2/3.9 = 3/4 ⇒ 4/3 = 3/4 Hence, it is False. (f) 0.9 : 0.36 :: 10 : 4 ⇒ 0.9/0.3Read more
(a) 16 : 24 :: 20 : 30
⇒ 16/24 = 20/30
⇒ 2/3=2/3
Hence, it is True.
(b) 21 : 6 :: 35 : 10
⇒ 21/6=35/10
⇒ 2/3=3/7
Hence, it is False.
(d) 8 : 9 :: 24 : 27
⇒ 8/9=24/27
⇒ 8/9=8/9
Hence, it is True.
(e) 5.2 : 3.9 :: 3 : 4
⇒ 5.2/3.9 = 3/4
⇒ 4/3 = 3/4
Hence, it is False.
(f) 0.9 : 0.36 :: 10 : 4
⇒ 0.9/0.36=10/4
⇒ 5/2=5/2
Hence, it is True.
https://www.tiwariacademy.com/ncert-solutions/class-6/maths/chapter-12/
See less