**1.2 carpenter and 5 artist can do a work in 12 days. 5 carpenter and 2 artist can do that work in 9 days. Only 3 artist can finish the same work in-**

(a)36 days

(b) 21 days

(c)30 days

(d) 42 days

**2.If A works alone, he would take 4 days more to complete the job than if both A and B worked together. If B worked alone, he would take 16 days more to complete the job than if both A and B work together. How many days would they take to complete the double work if both of them worked together?**

(a) 16 days

(b) 12 days

(c) 6 days

(d) 8 days

**3.A retailer offers the following discount schemes for buyers on an article-**

**I. Two successive discounts of 10%**

**II. A discount of 12% followed by a discount of 8%.**

**III. Successive discounts of 15% and 5%**

**IV. A discount of 20%**

**The selling price will be minimum under the scheme-**

(a) I

(b) II

(c) III

(d) IV

**4.Of three numbers, the second is thrice the first and the third number is three-fourth of the first. If the average of the three numbers is 114, the largest number is –**

(a) 72

(b) 216

(c) 354

(d) 726

**5.An Audi car covers 1/5 of the distance from A to B at the speed of 8 km/hour,1/10 of the distance at 25 km per hour and the remaining at the speed of 20 km per hour. Find the average speed of the whole journey-**

(a) 12.625 km/hr

(b) 13.625 km/hr

(c) 14.625 km/hr

(d) 15.625 km/hr

**6.The average of 3 numbers is 154. The first number is twice the second and the second number is twice the third. The first number is-**

(a) 264

(b) 132

(c) 88

(d) 66

**7.A Colin cleaner mixture contains 80% acid and rest water. Part of the mixture that should be removed and replaced by same amount of water to make the ratio of acid and water 4 : 3 is-**

(a) 1/3rd

(b) 3/7th

(c) 2/3rd

(d) 2/7th

**8.Rocky buys two chairs for a total cost of Rs.900. By selling one for 4/5 of its cost and the other for 5/4 of its cost, he makes a profit of Rs.90 on the whole transaction. The cost of the lower priced chair is-**

(a) Rs.360

(b) Rs.400

(c) Rs.420

(d) Rs.300

**9.By selling 100 Lime, a vendor gains the selling price of 20 Lime. His gain per cent is-**

(a) 20

(b) 25

(c) 30

(d) 32

**10.Mandy bought two puppy at Rs.40,000 each. He sold one puppy at 15% gain, but had to sell the second puppy at a loss. If he had suffered a loss of Rs.3,600 on the whole transaction, then the selling price of the second puppy is-**

(a) Rs.30,000

(b) Rs.30,200

(c) Rs.30,300

(d) Rs.30,400