Which of the following is the ratio of 3 km to 300 m?

1

(a)

10: 1

(b)

1 : 10

(c)

100: 1

(d)

1 : 100

A farmer bought a buffalo for Rs 44000 and a cow for Rs 18000. He sold the buffalo at a loss of 5% but made a profit of 10% on the cow. The net result of the transaction is

1

(a)

loss of Rs200

(b)

Profit of Rs 400

(c)

loss of Rs 400

(d)

Profit of Rs 200

If Mohan's income is 25% more than Raman's Income, then Raman's income is less than Mohan's income by

1

(a)

25%

(b)

80%

(c)

20%

(d)

75%

The sum which will earn a simple interest of Rs 126 in 2 yr at 14% per annum is

1

(a)

Rs 394

(b)

Rs395

(c)

Rs450

(d)

RS 540

What rate gives Rs 280 as interest on a sum of Rs 56000 in 2 yr?

1

(a)

2.5%

(b)

0.25%

(c)

25%

(d)

0.025%

30% of 300 =________________

1

(a)

90

A _________________ with its denominator 100 is called a per cent.

1

(a)

Fraction

15 kg is _________________% of 50 kg.

1

(a)

30%

In a class of 50 students, 8% were absent on one day. The number of students present on that day was ____________

1

(a)

46

Rohini bought a bed sheet for Rs 400 and sold it for Rs 440________________Her % is ______________

1

(a)

Profit% is 10%

The interest on Rs 350 at 5% per annum for 73 days is Rs 35.

1

(a) True

(b) False

\({2\over3}=66{2\over3}\%\)

1

(a) False

(b) True

8 h is 50% of 4 days.

1

(a) True

(b) False

Out of 600 students of a school, 126 go for a picnic. The percentage of students that did not go for the picnic is 75%.

1

(a) True

(b) False

By selling a book for Rs 50, a shopkeeper suffers a loss of 10%. When the cost price ot book is Rs 60.

1

(a) True

(b) False

Find the mean proportion between 4 and 64.

2

(a)

If the cost of 6 toys is 240, then find the cost of 21 toys.

2

(a)

60 cows can graze a field in 12 days, then how many cows will graze the same field in 5 days?

2

(a)

Convert the given fractional numbers to per cents. \({5\over4}\)

2

(a)

Convert the given fractional numbers to per cents . \({2\over 7}\)

2

(a)

Find the ratio of Rs 5 to 50 paise

3

(a)

Find the ratio of 30 days to 36 hours

3

(a)

Mala has a collection of bangles. She has 20 gold bangles and 10 silver bangles. What is the percentage of bangles of each type? Can you put it in the tabular form as done in the above example?

3

(a)

We have a basket full of apples, oranges and mangoes.If 50% are apples, 30% are oranges, then what per cent are mangoes?

3

(a)

Consider the expenditure made on a dress. 20%on embroidery, 50% on cloth, 30% on stitching. Can you think of more such examples?

3

(a)

64% + 20%+ % = 100%

5

(a)

(i) Chalk contains calcium, carbon and oxygen in the ratio 10 : 3 : 12. Find the percentage of carbon in chalk.
(ii) If in a stick of chalk, carbon is 3 g, what is the weight of the chalk stick?

5

(a)