## Proportions Part 4

1. Cost of 25 bags of paddy cost Rs.15,500, then find the cost of 35 bags of paddy.

A.Rs.22,500

B.Rs.30,000

C.Rs.21,700

D.34,000

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Ans: (C)

Sol: Bags = 25 35

Cost = Rs.15,000 ?

So,25/15,000=35/x

X=15,500 x 35/25=Rs.21,700

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2. The monthly average expenditure of a family with 6 members is Rs.3,6000. Find the monthly average expenditure of a family with only 4 members .

A.Rs.2,400

B.Rs.2600

C.Rs.1,600

D.Rs.2200

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Ans: (A)

Sol: members=6 4

Expenditure=3,600 ?

So,6/3,600=4/x

x=3,600 x 4/6=Rs.2,400

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3. If the weight of 16 sheets of thick papers is 50g, how much sheets of the same paper would weight 2^{1}/_{2}?

A.500sheets

B.600sheets

C.800sheets

D.250shheets

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Ans: (C)

Sol: No. of sheets= 16 x

Weight= 50 2,500(1kg=1000g)(2^{1}/_{2}kg=2000+500=2500g)

So, 16/x=50/2500

x=16 x 2500/50=800

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4. Suresh has enough money to buy 5kg of potatoes at the price of Rs.6 per kg. how much he can buy for the same amount if the price is increased to Rs.8 per kg?

A.3.25kg

B.3.50kg

C.3.75kg

D.4kg

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Ans: (C)

Sol: price x weight kg

Rs.6perkg 5kg

Rs.8perkg x

So, 5/x=8/6

x=5 x 6/8=3.75kg

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5. A camp has food stock for 300 people for 50days. If 200more people join the camp, how long will the stock last for?

A.25days

B.10days

C.30days

D.40days

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Ans: (C)

Sol: no. of students no. of days

300 50days

(300+200)500 x

300/500=x/50

300 x 50/500=30

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6. 48 men can do a price of work in 8days. How many days do 12 men take to do the same work?

A.15days

B.25days

C.40days

D.32days

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Ans: (D)

Sol: Men Days

48 8

12 x

So, 48/12=x/8

x=48 x 2/12=32days

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7. A motorist covers a distance of 36km in 2hous. Find the time taken by him to cover a distance of 54km with the same speed?

A.6hrs

B.4hrs

C.5hrs

D.3hrs

[su_spoiler title=”Answer” icon=”arrow-circle-2″]

Ans: (D)

Sol: Distance Time

36km 2hrs

54km ?

36/54=2/x

x=54 x 2/36=3hrs

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8. If the cost of 50 milk packets is Rs.2,600, what is the cost of 75 such packets?

A.Rs.3,900

B.Rs.3,600

C.Rs.3,500

D.3,200

[su_spoiler title=”Answer” icon=”arrow-circle-2″]

Ans: (A)

Sol. no. of packets=50 75

Cost=2,600 ?

50/2,600=75/x

x=2,600 x 75/50=3,900Rs.

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9. If the cost of 24m of a cloth is Rs.1800, then what will be the cost of 30mts of that cloth?

A.2350

B.2250

C.2150

D.2550

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Ans: (B)

Sol: 24m=Rs.1,800

30m=?

So,24/1800=30/x

x=1800 x 30/24=Rs.2250

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10. The monthly average expenditure of a family with 8 members is Rs.6,400. Find the monthly expenditure of a family with only 5 members.

A.Rs.3000

B.Rs.4000

C.Rs.3500

D.Rs.2500

[su_spoiler title=”Answer” icon=”arrow-circle-2″]

Ans: (B)

Sol. 8members=Rs.6,400

5members=Rs.?

x=6400 x 5/8=Rs.4000

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