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Maths Quiz for 2016-17 Exams

Maths Quiz for 2016-17 Exams_30.1

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
Maths Quiz for 2016-17 Exams_40.1