## Ques 1.

Rs. 8400 are divided among A,B,C and D in such a way that the shares of A and B,B and C as well as C and d are in the ratios of 2:3,4:5 and 6:7 respectively.The share of A is

(a) Rs 1280

(b) Rs 8400

(c) Rs 8210

(d) Rs 1320

**Ans 1.**

## Ques 2.

The sum of two numbers is 156 and their H.C.F, is 13. The number of such number pairs is

(a) 2

(b) 5

(c) 4

(d) 3

**Ans 2**. (13,143), (65,91)

## Ques 3.

A man takes 2 hours to row 9km upstream and also 2 hours to row 17 km downstream .The speed of the current ( in km per hour ) is

(a) 1

(b) 2

(c) 3

(d) 4

**Ans 3.**Let speed of the Stream be x km/hr.

Let speed of the boat in still water be y km/r.

## Ques 4.

The market price of a watch is Rs 800.A shopkeeper gives two successive discounts and sells the watch at Rs 612. If the first discount is 10% then the second discount is

(a) 12%

(b) 20%

(c) 15%

(d) 10%

**Ans 4.**

## Ques 5.

If the ratio of the areas f two squares is 1:4. then the ratio of their perimeters is

(a) 1: 2

(b) 1: 4

(c) 1: 6

(d) 1: 8

**Ans 5.**

## Ques 6.

A shopkeeper purchased 70kg of potatoes for Rs 420 and sold the whole lot at the rate of Rs 6.50 per kg .what will be his gain percent?

(a) 4 1/6%

(b) 25%

(c) 20%

(d) 8 1/3%

**Ans 6.**

## Ques 7.

By selling an article at 2/5 of the marked price, there is a loss of 25%.The ratio of the marked price and the cost price of the article is

(a) 2 :5

(b) 5 : 2

(c) 15 : 8

(d) 8 : 15

**Ans 7.**

## Ques 8.

Two girls and four boys are to be seated in a row in such a way that no two girls sit together.In how many different ways, can this be done ?

(a) 720

(b) 480

(c) 360

(d) None of these

**Ans 8.**10 x 2! x 4! = 10 x 2 x 1 x 4 x 3 x 2 x 1 = 480

There are ten possibilities in which the given even can occur.Each of them can occur in 2! x 4! ways,i.e., 48 ways.

## Ques 9.

A can sun 22.5 m while B runs 25 m. In a kilometre race B beats A by

(a) 100 m

(b) 111 1/9 m

(c) 25 m

(d) 50 m

**Ans 9.**

## Ques 10.

A sum of money invested at compound interest amounts to Rs.800 in 3 years and to Rs 840 in 4 years .The rate of interest per annum is

(a) 2 1/2%

(b) 4%

(c) 5%

(d) 6 2/3%

**Ans 10.**

## Ques 11.

A cistern is normally filled with water in 10 hours but takes 5 hours longer to fill because of a leak in its bottom.If the cistern is full, then leak will empty the cistern in

(a) 20 hours

(b) 40 hours

(c) 50 hours

(d) 30 Hours

**Ans 11.**

## Ques 12.

Three partners A,B,C invest Rs 36000,Rs 45000 and Rs 54000 respective;y in a business.Out of a total profit of Rs 37500, C's share is

(a) Rs . 12500

(b) Rs. 15000

(c) Rs. 10000

(d) Rs. 15500

**Ans 12.**

sir please explain ques 1 in detail. i am unable to get it.

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