SSC Apt Exam 04022

1. The average of 40 numbers is 405. If each of the number is divided by 15, find the average of new set of numbers.

2. A batsman in his 19th innings makes a score of 98 run and thereby increases his average by 3. What is his average after 19 innings?

3. Rajesh bought 1200 eggsat Rs. 16 a dozen. At what price per dozen must he sell the eggs so as to earn a profit of 15% ?

4. There were two articles and the sum of cost price of these articles is Rs. 500. One of them was sold at a profit of 20% and another at a loss of 20%. Besides if the selling prices of both the articles were same. Find the amount of overall loss.

5. The number of students who opted for I T course decreased by 23%. If the number is 1540 now, then original number of students opting for IT course was:

6. If the height of a cone is increased by 200%, then its volume will be increased by:

7.In 700 ml solution of 18% alcohal, how much quantity of pure alcohol is to be added so that the new solution contains 30% alcohol.

8 .In the mixture of 48 litre the ratio of milk to water is 5 : 3. How many litres water should be added to the mixture so that the ratio of milk and water may reverse ?

9 . A does 4/5 of a work in 20 days. then he calls to B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?

10 . A and B together can do a piece of work in 30 days. A having worked for 16 days, B finished the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

11 . Two men are standing on opposite ends of a bridge of 1200 metres long. If they walk towards each other at the rate of 5m/minute and 10m/minute respectively, in how much time will they meet each other?

12 . A constable is 114 metres behind a thief. The constable runs 21minute in a metres and the thief 15 metres in a minute, In what time will the constable catch the thief ?

13 . Rajesh kumar can see apprx. d km far from the h metre above high level in sea water. And the relation between d and h is 2d2 = 25 h. Then find from how much high level Rajesh kumar can see 10 km?

14 . The simple interest received at 6% per annum after 22 years is ` 2560 more than the principal amount after the completion of the time how much money would be repaid?

15 . Sita invested rs 10,000 at 16% per annum in a private company. Her sister Harsha invested an equal amount at 15% per annum in another company but in this company the interest is payable compounded half yearly. Find after 1 1/2 year who will get more interest ?

16 . A certain amount was lent out at 10% compound interest per annum for 1 1/2 years. But if the interest is compounded half yearly, ` 36.75 more is gained. Find the amount.

19 .

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21. If the area of a triangle with base 12 cm is equal to the area of square with side 12 cm. the altitude of the triangle will be

22 . If the radius of a sphere is increased by 2 cm, its surface area increased by 352 cm2 . The radius of sphere before change is :

25 . Find the number of zeroes at the end of the product 1098!