SSC Apt Exam 04021

1. The average age of 24 students and the class teacher is 16 years. If the class teacher’s age is excluded, the average reduces by 1 year. What is the age of the class teacher?

2. The average of x numbers is 3x. If x – 1 is subtracted from each given number. What will be the new average?

3. Rajesh calculates his profit percentage on the selling price whereas Bhuvnesh calcu- lates his profit on the cost price. They 139. Rajesh bought 1200 eggsat Rs. 16 a dozen. At what priceper dozen must he sell the eggsso as to earn a profit of 15% ?(a) Rs. 18.20 (b) Rs. 18.40 140. Rajesh purchased two cars for Rs. 18,000 and Rs. 15,000 respectively. He sold them at a loss of 15% and a gain of 19% respectively. Find the overall gain or loss percent in the transaction. find that the difference of their profits is Rs. 275. If the selling price of both of them are the same, and Rajesh gets 25% profit and Bhuvnesh gets 15% profit, then find their selling

4 . Rajesh and Bhuvnesh both are dealers of Akash Helicopters. The price of a Akash Helicoptes is Rs. 28,000. Rajesh gives a discount of 10% on the whole, while Bhuvnesh gives a discount of 12% on the first Rs. 20,000 and 8% on the rest Rs. 8000. What is the difference between their selling

5. The amount of work in Rajesh Readers Publication is increased by 50%. By what per cent is it necessary to increase the number of workers to complete the new amount of work in previously planned time, if the productivity of the new labour is 25% more.

6. In an office there were initially n employees. The HR manager first hired p% employees then after a month q% employees left the office, then there were finally n employees remained in the office, the value of p – q is:

7 .If 4 litre water is evaporated from 12 litre solution of 7% acid, then find the percentage of acid in the new solution.

8 .The percentage of sugar in the first solution is 15% while in the second it is 5%. How many litres of the second solution should be mixed with 20 litre of first solution so that the new soulition so obtained contains 10% sugar.

9 . A, B and C together can complete a piece of work in 10 days. All the three started working at it together and after 4 days A left. Then B and C together completed the work in 10 more days. A alone could complete the work in:

10 . X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?

11 . 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?

12 . Resting 9 hrs. a day Rajesh kuma travels a certain distance in 40 days. Resting double the time how many days will he take to travel double the distance at double the speed ?

13 . Resting 4 hrs a day Rajesh kuma travels a certain distance in 60 days. Resting thrice the time how many days will he take to travel thrice the distance at thrice the speed?

14 . A officer goes to office from his home, which is 8 km apart. His speed is 4 km/h. After 5 min the feels that he left some important documents at home. He returns to home and now he travels with fast speed towards the office, and reaches office on time. Find his increase speed?

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19 . The base of a triangle is 15 cm and height is 12 cm. The height of another triangle of double the area having the base 20 cm is

20 . A solid cuboid of dimensions 8 cm × 4 cm × 2 cm is melted and cast into identical cubes of edge 2 cm. Number of such identical cubes is.

21 . Find the number of zeroes at the end of the product 1132!

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

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