4 men can complete a piece of work in 2 days. 4 women can complete the same piece of work in 4 days whereas 5 children

can complete the same piece of work in 4 days. If, 2 men, 4 women and 10 children work together, in how many days can the work be completed ?

3

4

1

5

2

. 6 women alone can complete a piece of work in 10 days, whereas 10 children alone take 15 days to complete the same

piece of work. How many days will 6 women and 10 children together take to complete the piece of work ?

6

7

8

9

2

The present age of S is 1/8^{th} of his father. After 4 years, the father’s age will be twice the age of R. If R celebrated his 6^{th} birthday eight years ago, what is the present age of S?

6

4

7

8

2

Sweta’s present age is five times of her daughter’s age and 1/3^{rd} of her father’s age. If the average age of all the three is 28 years, then find the difference between Sweta’s daughter’s age and her father’s age.

34

78

67

56

23

In a tank there are 3 inlet pipes P,Q and R. P can fill the tank 1.5 times faster than Q. Q can fill the tank in half time taken by R and tank R is 3 times less efficient as P.There is one outlet pipe S which can empty the tank in 10 mins and the time taken by S is half of the time taken by P. Find in how much time will P and Q together fill the tank?

12

14

16

18

20

A trader sold two tables in Rs 800. On one he gained 33(1/3)% and on another he gained 20%. In this whole transaction he gained 25%. Find the cost price of the second article (the one sold at 20% gain)

400

500

700

200

100

A mixture of certain quantity of salt with 20 Litre of water is sold at 80 paise per litre. If pure salt be worth Rs 1.20 per litre. How much salt is present in the mixture?

40

45

44

48

78

Sushil scared 103 marks in Hindi, 111 marks in Science, 98

marks in Sanskrit, 110 marks in Maths and 88 marks in

English. If the maximum marks of each subject are equal

and if Sushil scored 85 percent marks in all the subjects

together, find the maximum marks of each subject.

600

750

500

140

1000

The average height of 21 girls was recorded as 148 cm.

when the teacher's height was included, the average of

theirhights increased by 1 cm. What was the height of the

teacher?

3279

3528

1478

3278

2588

In an alloy, iron and steel are in the ratio 1:3. In the second alloy the same elements are in the ratio 2:3. If what proportion should the two alloys be mixed so as to form a new alloy in which iron and steel are in the ratio 1:2.

5:7

1:7

4:5

2:3

1:1