Unitary Method

Q.

A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The total time taken for the work to be completed was

1. 12 days

2. 15 days

3. 8 days

4. 10 days

Q.

If 5 men can build a wall in 12 days how many can build it in 10 days ???

Q. Fifteen workers take 8 hours to build a wall. How many hours will 12 workers need to build the same wall?

Q.

If the cost one pencil is Rs 2.40 then the cost of 10 such pencils is:

1. Rs 100

2. Rs 10

3. Rs 240

4. Rs 24

Q.

$25$ bags of wheat weighing $40kg$ costs $Rs.2750$. Find the cost of $35$ bags of wheat if, each bag weighs $50kg$.

Q. 3 dozen of bananas cost ₹108. What is the cost of one banana?

1. ₹3
2. ₹5
3. ₹8
4. ₹4

Q. Find the ratio of ₹10 to 20 paise.

Q. If the cost of 15 apples is ₹120, then find the cost of 3 dozens apples.

1. ₹ 236
2. ₹ 258
3. ₹ 216
4. ₹ 288

Q.

A company collected $₹66,22,875$from its shareholders if the value of each share is$₹145$, what is the total number of shares issued by the company?

Q. If 6 books cost ₹480, then the cost of 10 books is

1. ₹1200
2. ₹600
3. ₹800

Q.

If Cost of $5kg$ of wheat is$₹91.50$. What quantity of wheat can be purchased in $₹183$.

Q. A man can eat 5 bananas per day. How many bananas are required for 4 men for 5 days?

1. 100
2. 50
3. 25
4. 20

Q.

The cost of $5kg$ of wheat is $₹91.50$. What quantity of wheat can be purchased in $₹183$?

Q. In a computer lab, there are 5 computers for every 10 students. How many computers will be needed for 48 students?

Q.

Which of the following ratio is greatest?

1. $7:10$

2. $17:27$

3. $9:11$

4. $15:29$

Q. Find the ratio of:
(i) ₹ 5 to 50 paise
(ii) 15 kg to 210 g

Q. 22 liters of petrol is required to complete a distance of 66 km. Find the amount spent on petrol if a distance of 279 km is to be covered (The cost of 10 liters of petrol is ₹660)

1. ₹6, 102
2. ₹6, 138
3. ₹6, 238
4. ₹6, 130

Q. Vijay weighed $65\frac{1}{2}kg$. He gained $1\frac{2}{5}kg$ during the first week, $1\frac{1}{4}kg$ during the second week, but lost $\frac{5}{16}kg$ during the third week. What was his weight after the third week?

Q. A 40-page class magazine is to be written. If one student would require 80 days to write it, how many would 4 students require ?

Q. 30 dozen of bananas can be bought for ₹1, 080. How many bananas can be bought for ₹72?

1. 20 bananas
2. 22 bananas
3. 34 bananas
4. 24 bananas

Q.

If a car goes $84\mathrm{km}$ in $7$ liters of petrol, how much petrol will be enough to go a distance of $132\mathrm{km}$?

Q. If the cost of a 200 mL soft drink is ₹20, then what is the cost of 1 L of soft drink?

1. ₹0.01
2. ₹20
3. ₹50
4. ₹100

Q. A two-wheeler covers a distance of 55.3 km in one litre of petrol. How much distance will it cover in 10 litres of petrol.

Q.

Question 1 (c)
Observe the patterns of digits made from line segments of equal length. You will find such segmented digits on the display of electronic watches or calculators.
c)

If the number of digits formed is taken to be 'n', the number of segments required to form n digits is given by the algebraic expression appearing on the right of each pattern. How many segments are required to form 5, 10, 100 digits of the kind

Q. A car travels 510 km in 30 litres of petrol. How much distance does it cover in one litre?

1. 15 km
2. 17 km
3. 21 km
4. 19 km

Q.

Question 25

$p$ kg of potatoes are bought for ₹ 70. Cost of 1 kg of potatoes (in ₹) is ___ .

Q.

Christopher was going home, he saw a burger shop on the way. He stopped there and ordered 8 burgers for him. He can eat 1 burger in 10 min, then how much time will he take to start his journey again towards his home if he leaves the shop right after eating?

1. 30 min

2. 1 hour

3. 1 hour 10 min

4. 1 hour 20 min

Q.

$14$ tins contains $210$ liters of oil. How much oil is contained in $1$ tin?

Q.

The method in which we find the value of one unit and then the value of the required number of units is known as

1. Ratio

2. None of these

3. Proportion

4. The unitary method

Q.

A machine, on an average, manufactures2, 825 screws a day. How many screws did it produce in the month ofJanuary 2006?