Direct Variation

Q.

What is the full form of s.s.t subject

Q.

If the cost of $5\frac{2}{5}$ litres of milk is Rs. $101\frac{1}{4}$, What is its cost per litre?

1. $Rs18\frac{3}{4}$

2. $Rs17\frac{3}{4}$

3. $Rs16\frac{3}{4}$

4. $Rs15\frac{3}{4}$

Q.

Seema weaves 25 baskets in 35 days. In how many days will she weave 110 baskets?

1. 154 days

2. 152 days

3. 139 days

4. None of these

Q.

If youre going at 80 mph, how long will it take to go 80 miles?

Q.

A worker earns ₹ 1110 in 6 days. If in a particular month, he receives a total of ₹ 4625, then for how many days did he work?

1. 26 days

2. 25 days

3. 28 days

4. 29 days

Q.

Question 85

A metal pipe 3m long was found to weight 7.6kg. What would be the weight of the same kind of 7.8m long pipe?

Q.

Cost of $4$ dozen bananas is $₹180$. How many bananas can be purchased for $₹90$?

Q.

The weight of $56$ books is $8kg$. What is the weight of $154$ such books?

Q.

We have a map with a scale of 1:5000000. How much would 1 cm measure in actual distance.

1. 50 km

2. 32 km

3. 20 km

4. 40 km

Q. If a car travels at a speed of 10 km/hr, then the distance covered by the car in 10 hours is

1. 90 kms
2. 100 kms
3. 110 kms

Q.

Is the following statement true?

$40$ persons$:200$ persons $=₹15:₹75$

1. True
2. False

Q.

A car travels 165 km in 3 hours.

How far will it travel in 7 hours?

Q.

How long will it take to drive 450 miles if you are driving at a speed of 50 miles per hour?

1. 6 Hours

2. 12.5 Hours

3. 3.5 Hours

4. 9 Hours

Q.

This clock is running 20 minutes fast. What is the actual time?

1. 4:45
2. 4:55
3. 4:50
4. 4:30

Q.

1, 024 trees are planted in a grid fashion such that, the number of rows is equal to the number of columns. One row and one column of trees are cut such that the number of rows and columns after cutting, remain equal. Find the number of trees that were cut?

1. 61

2. 63

3. 65

4. 67

Q.

A particular breed of arecanut tree gives 7 kilograms of nuts a year on average after drying, according to agriculture experts. Mathachen planted 150 such arecanut trees How many kilograms can he expect to get a year?

Q.

Question 11(c)

Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of:

The number of students who opted basketball to the total number of students.

Q.

A car covers a distance of$800km$ in $10hours$. What distance would it cover in $8hours$?

Q. Which one of the following ratios is proportional to 3:5?

1. 9:15
2. 3:17
3. 1:9
4. 6:12

Q.

If the cost of a dozen soaps is$₹153.60$, What will be the cost of$15$ such soaps?

Q.

Find the interest on $₨12,000$ at $8\%$ p.a. for $4$ years.

Q.

Solve the following problems:

The length of a rectangle is $8\mathrm{cm}$ more than twice its breadth. If its perimeter is $76\mathrm{cm}$, find the length and breadth.

Q.

Arya, Abhimanyu, and Vivek shared lunch. Arya has brought two sandwiches, one made of vegetables and one of jam. The other two boys forgot to bring their lunch. Arya agreed to share his sandwiches so that each person will have an equal share of each sandwich.

(a) How can Arya divide his sandwiches so that each person has an equal share?

(b) What part of a sandwich will each boy receive?

Q.

Fixed deposit account provides more interest than savings bank account.

1. True

2. False

Q.

The Claude crayon company can make 2400 crayons in 4 minutes which is filled in a box at the same time . If each crayon box has 12 crayons, how many crayon boxes can they make in 15 minutes?

1. 1000

2. 900

3. 750

4. 800

Q.

If 2:x and x:32 are in proportion, the value of x is

1. 8
2. 14
3. 7

Q.

If a dozen erasers cost $₹54,$how many erasers can be bought for $₹$$99?$

Q.

What sum of money will earn an interest of $₨160$ at the rate of $4\%$ per year for $2$years ?

Q.

A car travels 432 km on 48 litres of petrol. Find the amount of petrol required to travel 180 km.

1. 70

2. 180

3. 20

4. 45

Q.

Cost of 6kg of wheat is Rs.72 and cost of 5kg of rice is Rs.450 [4 MARKS]
(a) What will be the cost of 8kg of wheat?
(b) What will be the cost of 1kg of rice?
(c) What is the ratio of the price of 1kg of rice to 1kg of wheat?