Question

1. Determine
EXERCISE 10B
aine if the following numbers are in proportion!
(11) 7. 42, 13, 78
(v) 32.48.70,210
2. Verily u
(1) 60
3. Find the
4. Write
5. Determine
(1) 4, 6, 8, 12
v 22, 33, 42, 63
(111) 33, 121, 9, 96
Verify the following:
(vi) 150.200.250.300
60 : 105 :: 84 : 147
. 108: 72 :: 129 : 86
(11) 91: 104 : : 119: 136
the value of x In each of the following proportions:
(iv) 39 : 65 :: 141 : 235
(1) 55: 11 ::*:6
(11) 27 :::63: 84
(01) 51 : 85 ::57 : x
wire (T) for true and (F) for false in case of each of the following:
(iv) x: 92 : : 87 : 116
(1) 51: 68 : : 85 : 102
(11) 36 : 45 : : 80 : 100
.) 30 bags : 18 bags : : 450 : 270 (lv) 81 kg: 45 kg :: 18 men:
v) 45 km : 60 km:: 12 h: 15 h
(vi) 32 kg : 36 :: 8 kg : 39
termine if the following ratios form a proportion:
(1) 25 cm: 1 m and 40: 160
39 litres : 65 litres and 6 bottles : 10 bottles
0 200 mL : 2.5 L and 4:50
(v) 2 kg : 80 kg and 25 g: 625 kg
In a proportion, the 1st, 2nd and 4th terms are 61, 68 and 108 respectively. F
3rd term.
The 1st, 3rd and 4th terms of a proportion are 12.8 and 14 respectively. Find the 2nd term.
show that the following numbers are in continued proportion:
(1) 48, 60, 75
(11) 36, 90, 225
(111) 16, 84, 441
Tra X. X, 49 are in proportion, find the value of x.
Hint. x= (9X49) = (3 7) = (3x7)' = (21).
An electric pole casts a shadow of length 20 m at a time when a tree 6 m high casts a shadow
flength 8 m. Find the height of the pole.
Hint, (helght of the tree) : (length of tts shadow)
= (helght of the pole): (length of its shadow).
u. Find the value of x if 5:3 ::x:6.
oportion.​

Answer 1

$\red{ANSWER}$

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Answer 2

Step-by-step explanation:

5:3::x:6

product of mean= product of extreme

5×6=3×x

30/10=x

3=x