By selling 50 items, a shopkeeper lost the amount equal to the selling price of 10 items. His loss per cent is

1

(a)

\(\frac{30}{7}\)%

(b)

\(\frac{40}{3}\)%

(c)

\(\frac{25}{3}\)%

(d)

\(\frac{50}{3}\)%

Sachin purchases a bat for Rs 660 including sales tax. If the rate of sales tax is 10%, then the selling price of the bat is

1

(a)

Rs 580

(b)

Rs 590

(c)

Rs 600

(d)

Rs 610

The buying price of 5 kg guava, at the rate Rs 20 per kg with 5% sales tax on the purchase, is

1

(a)

Rs 22

(b)

Rs 23

(c)

Rs 24

(d)

None of these

Asurn is taken for 2 yr at 16% per annum, If interest is compounded after every three months, the number of times for which interest is charged in 2 yr is

1

(a)

8

(b)

4

(c)

6

(d)

9

VAT is always calculated on which of the following?

1

(a)

s. p

(b)

c.p

(c)

marked price

(d)

none of these

___________ is a reduction on the marked price of the article.

1

(a)

Discount

3500 is greater than 500 by __________ %

1

(a)

600

The original price of a washing machine which was bought for Rs 13500 inclusive of 8% VAT is __________

1

(a)

Rs 12500

Selling price of 9 articles is equal to the cost price of 15 articles. In this case, profit is ___________

1

(a)

6\(\frac{2}{3}\%\)

To calculate the growth of bacteria, if the rate of growth is known. The formula for calculation of amount in compound interest can be used.

1

(a) False

(b) True

The compound interest on a sum of Rs P for T years at R% per annum compounded annually is given by the formula P\((1+\frac{R}{100})^{n}\)

1

(a) True

(b) False

40% of [100 - 20% of 300] is equal to 64.

1

(a) True

(b) False

The sale price is regular price minus the discount.

1

(a) False

(b) True

The compound interest on Rs 50000 at4% per annum for 2 yr compounded annually is Rs 4080.

1

(a) False

(b) True

The formula for calculating the compound interest is \(P[1-{R\over 100}]^n or\ P[1+{R\over 100}]^n ?\)

1

(a)

\(\ P[1+{R\over 100}]^n \)

A picnic is being planned in a school for 20 Class VIII girls which are 40% of the total number of students. Find the ratio of girls to the number of boys in the class.

2

(a)

Convert the following ratios to percentages. 2:3

2

(a)

The marked price of an article is Rs 500. The shopkeeper gives a discount of 5% and still makes a profit of 25%. Find the cost price of article.

2

(a)

Given, P = Rs 40000 and R = 8% per annum compounded annually. Find the interest for 2nd year.

2

(a)

A shirt is marked at Rs 850 and is sold for Rs 765. What is the discount and discount percent?

2

(a)

What per cent of 500 is 35?

3

(a)

A shop gives 10%discount. What would be the sale price of each of these a pair of shoes marked at Rs 650?

3

(a)

Rahul bought an air cooler for Rs 3300 including a tax of 10%. Find the price of the air cooler before VAT was added.

3

(a)

The population of a place increased to 54000 in 2003 at a rate of 5% per annum. Whal would be its population in 2005?

3

(a)

Madhu's room measures 6 m x 3 m. Her carpet covers 8 m². What per cent of floor is covered by the carpet?

3

(a)

1. In a primary school, the parents were asked about the number of hours, they spend per day in helping their children to do homework. There were 90 parents, who helped for \(\frac{1}{2}\)h to \(\frac{1}{2}\)h.The distribution of parents according to the time for which, they said they helped is given in the adjoining figure, 20%helped for more than1\(\frac{1}{2}\)h per day, 30%helped for \(\frac{1}{2}\)h to 1\(\frac{1}{2}\)h, 50%did not help at all. 
   Using this, answer the following:
   (i) How many parents were surveyed?
   (ii) How many said that they did not help?
   (iii) How many said that they helped for more than  1\(\frac{1}{2}\)h?
   

   5

   (a)

2. Fabina borrows Rs 12500 at 12% per annum for 3 yr at simple interest and Radha borrows the same amount for the same time period at 10%per annum, compounded annually. Who pays more interest and by how much?

   5

   (a)

If Chameli had Rs 600 left after spending 75% of her money, how much did she have in the beginning?

5

(a)

If the cost price of 11 articles is equal to the selling price 10 articles, find the gain per cent.

5

(a)