SSC Apt Exam 04013

1. While finding the average of 10 given numbers, a student, by mistake, wrote 64 in place of a number 46 and got his correct average 50. The correct average of the given numbers is :

2 . The average of three numbers is 135. The largest number is 195 and the difference between the other two is 20. The smallest number is :

3. After selling a watch, Bhuvnesh found that he had made a loss of 10%. He also found that had he sold it for Rs. 27 more, he would have made a profit of 5%. The actual initial loss was what percentage of the profit earned had he sold the watch for a 5% profit ?

4 . An orange vendor makes a profit of 20% by selling oranges at a certain price. If he charges Rs. 1.2 higher per orange he would gain 40%. Find the original price at which he sold an orange

5. A shopkeeper calculates percentage profit on the buying price and another on the selling price. What will be their difference in profits if both claim a profit of 20% on goods sold for Rs. 3000 ?

6 . Cheap and Best, a kirana shop bought some apples at 4 apple per rupee and an equal number at 5 apple per rupee. He then sold the entire quantity at 9 for 2 rupees. What is his percentage profit or loss ?

7 . A sum of ` 300 is divided among P,Q and R in such a way that Q gets ` 30 more than P and R gets ` 60 more than Q. The ratio of their share is

8 . The average weight of a class of 40 students is 30 kg and the average weight of a class of 20 students is 15 kg. Find the average weight of both the classes combined.

9 . A family’s ratio of savings to expenditure for last month was 2 : 13. This month, due to unforseen expenditure, savings fell to 50% of the amount saved last month. Salary, last month was Rs. 10,000. This month there was increase of 15% in the salary, How much did the family spend this month?

10 . The price of raw materials has gone up by 15%, labour cost was 25% on old price of raw material and now labour cost is 30% on new price of raw material. By how much percentage should there be a reduction in the usage of raw materials so as to keep the cost same?

11 . Two workers A and B are engaged to do a work. A working alone takes 8 hours more to complete the job than if both worked together. If B worked alone, he would need 4 1/2hours more to complete the job than they both working together. What time would they take to do the work together?

12 . P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?

13 . A lent out 4800 to B at 8% per annum rate of simple interest for 2 years. B lent the same amount to C at 3% more for the same time period. If after the completion of time B paid back to A and C paid back to B, Find the profit of B.

14 . Find the amount that will become ` 28119 in three years at compound interest while the interest rate for the first year is 3%, for the second year is 4% and for the third year is 5% per annum

15 . A car completes a journey in 10 hours. If it covers half of the journey at 40 kmph and the remaining half at 60 kmph, the distance covered by car is :

16 . Two cars start at the same time from one point and move along two roads at right angles to each other. Their speeds are 36 km/ hour and 48 km hour respectively. After 15 seconds the distance between them will be :

17 . A runs twice as fast as B and B runs thrice as fast as C. The distance covered by C in 72 minutes, will be covered by A in:

18 . A godown is 15 m long and 12 m broad. The sum of the area of the floor and the ceiling is equal to the sum of areas of the four walls. The volume (in m3 ) of the godown is:

19 . 2 cm of rain has fallen on a square km of land. Assuming that 50% of the raindrops could have been collected and contained in a pool having a 100 m× 10 m base, by what level would the water level in the pool have increased ?

20 . Find the Remainder when 2327 + 2372 + 2394 + 4624 + 4650 is divided by 23

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22. Find the Remainder when 2327 + 2372 + 2394 + 4624 + 4650 is divided by 23

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24 . The average of six numbers is 32. If each of the first three numbers is decreased by 4 and last three numbers are increased by 2, then the new average is:

25 . A shopkeeper promise to sell his goods at x% profit but he uses 20% less weight and gains 37 1/2 % . find the value of x ?