## Ques 1.

What is the approximate amount at compound interest of rs 5000 in 3 years at 4% p.a. ?

(a) Rs 5624

(b) Rs 5684

(c) Rs 5864

(d) None of these

**Ans 1.**

## Ques 2.

The simple interest on Rs 400 for 5 years together with that on Rs 600 for 4 years , the rate being same in the both the cases came to Rs 396.Rate % p.a. equals.

(a) 9

(b) 6 1/4

(c) 7 1/2

(d) 8 1/3

**Ans 2.**

## Ques 3.

A grocer sells 100kg of gur partly at 10% profit and partly at 20% profit, gaining 12% on his outlay. How much does he sell at 10% profit ?

(a) 88 kg

(b) 75 kg

(c) 80 kg

(d) None of these

**Ans 3.**

## Ques 4.

A and B can do piece of work in 60 days while B and C do the same work in days and C and A in 40 days. They all started the work together and after 20 days B and C Left. How many days more will A take to finish the work ?

(a) 24 Days

(b) 36 days

(c) 48 Days

(d) 60 days

**Ans 4.**

## Ques 5.

A and B can do a piece of work in 12 days, B and c in 15 days, and C and A in 20 days. How long would each take separately to do the same work ?

(a) 30 days, 20 days, 60 days.

(b) 20 days, 25 days, 50 days.

(c) 18 days, 36 days, 44 days

(d) None of the above

**Ans 5.**A + B + C can together in one day do 1/2 ( 1/12 + 1/15 + 1/20 ) of the work.

i.e. 1/10 of the work.

A can do ( 1/10 -1/15) of the work i.e. 1/30 of the work in one day.

B can do ( 1/10 - 1/20) of the work i.e.1/20 of the work in one day.

C can do ( 1/10 - 1/12) of the work i.e., 1/60 of the work in one day.

Hence, A,B and C can Separately do the work in 30 days ,20 days and 60 days respectively.

## Ques 6.

two pipes can fill a cistern separately in 24 minutes respectively and a waste pipe can drain off 30 gallons per minute .If all the three pipes are open, the cistern fills in one hour. What is the capacity of the cistern ?

(a) 300 gallons

(b) 450 gallons

(c) 600 gallons

(d) 750 gallons

**Ans 6.**

## Ques 7.

x is a whole number . If the only common factors which x and x2 have are 1 and x it follows that x is

(a) a perfect square

(b) an odd number

(c) equal to 1

(d) a prime number

**Ans 7.**Since x and x2 have only 1 and x as common factors it follows that x is a prime number.

## Ques 8.

What is the cost of Rs 1500, 4 per cent stock at 97 7/8, brokerage 1/8 ?

(a) Rs 1480

(b) Rs 1466

(c) Rs 1470

(d) None of these

**Ans 8.**

## Ques 9.

If the annual rate of interest increases from 6 1/2% to 8%, a clerk 's annual income from an investment increases by Rs 405. What is his investment ?

(a) Rs 30000

(b) Rs 27000

(c) Rs 45000

(d) None of these

**Ans 9.**

## Ques 10.

Find the day on 1st January 2000 A.D.

(a) Monday

(b) Wednesday

(c) Friday

(d) Saturday

**Ans 10.**1600 years have 0 odd days.

300 years have 1 odd days.

99 years have 24 leap years and 75 ordinary years and hence have ( 48 + 75) odd days i.e. 4 odd days

. . Total number of odd days = 0 + 1 + 4

= 5 odd days

Hence, 1st January , 2000 corresponds to 6 odd days and so the day would be Saturday.