Thursday, 14 July 2016

Important triangle property a+b>c for Test-9 Questions



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10.△ABC has integer sides x, y, z such that xz = 12. How many such triangles are possible?
1.8  2.6  3.9  4.12




8.Sides of a triangle are 6, 10 and x for what value of x is the area of the the maximum?
1.8 cms  2.9 cms      3.12 cms    4.NOT



5. x, y, z are integer that are side of an obtuse-angled triangle. If xy = 4, find z.
1.2  2.3  3.1 4.NOT

Tuesday, 12 July 2016

Quant mock(Speed test-9) for Govt. exams(15 qns)


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1.If the price of petrol increases by 25%, by how much must a user cut down his consumption so that his expenditure on petrol remains constant?
1.25%   2.16.67%  3.20%   4.33.33%

2.When a number is divided by 36, it leaves a remainder of 19. What will be the remainder when the number is divided by 12?
1.10  2.19  3.192 4.NOT

3.How many different factors does 48 have
1.12  2.4  3.8  4.10

4.How many divisors does 7200 have?
1.20  2.4   3.54  4.32

5. x, y, z are integer that are side of an obtuse-angled triangle. If xy = 4, find z.
1.2  2.3  3.1 4.NOT

6.By selling an article at 80% of its marked price, a  seller  losses  12%. What % profit will he  make if the article is sold at 95% of its marked price?
1. 5% profit    2.1% loss  3.10% profit  4.5.5% profit

7.The sum of the three numbers in A.P is 21 and the product of the first and third number of the sequence is 45. What are the three numbers?
1.5, 7, and 9  2.9, 7, and 5  3.3, 7, and 11  4.NOT

8.Sides of a triangle are 6, 10 and x for what value of x is the area of the the maximum?
1.8 cms  2.9 cms      3.12 cms    4.NOT

9.The average of 5 consecutive integers starting with m as the first integer is n. What is the average of 9 consecutive integers that start with (m + 2)?
1.m + 4    2.n + 6   3.n + 3  4.m + 5   5.NOT

10.△ABC has integer sides x, y, z such that xz = 12. How many such triangles are possible?
1.8  2.6  3.9  4.12

11.The average wage of a worker during a fortnight comprising 15 consecutive working days was Rs.90 per day. During the first 7 days, his average wage was Rs.87/day and the average wage during the last 7 days was Rs92/day. What was his wage on the 8th day?
1.83   2.90  3.97  4.96  5.NOT

12.A circle of radius 5 cm has chord RS at a distance of 3 units from it. Chord PQ intersects with chord RS at T such that TS = 1/3 of RT. Find minimum value of PQ
1. 63    2.43    3.83    4.23

13.The average weight of a class of 24 students is 36 kg. When the weight of the teacher is also included, the average weight increases by 1 kg. What is the weight of the teacher?
1.60 kg   2. 61 kg    3.37 kg    4.NOT

14.The ratio of a two-digit natural number to a number formed by reversing its digits is 4 : 7. Which of the following is the sum of all the numbers of all such pairs?
1.99  2.198  3.330  4.132

15.Pipe A, B and C are kept open and together fill a tank in t minutes. Pipe A is kept open throughout, pipe B is kept open for the first 10 minutes and then closed. Two minutes after pipe B is closed, pipe C is opened and is kept open till the tank is full. Each pipe fills an equal share of the tank. Furthermore, it is known that if pipe A and B are kept open continuously, the tank would be filled completely in t minutes. How long will C alone take to fill the tank?
1.18  2.36  3.27  4.24

Saturday, 9 July 2016

Quant mock(Speed test-8) for Govt. exams(15 qns)

Video solution click here

1..If the numerator of a fraction is increased by 500% and the denominator is increased by 300%, the resultant fraction is 2( 4/7). What was the original fraction?

(a) 4/7 (b) 12/7 (c) 15/4 (d) 6/5  (e) None of these

2.A reduction of 20% in the price of an apple enable a man to buy 10 apple more for Rs 54. The reduced price of apple per dozen is  Rs 4.32 (b) Rs 12.96 (c)Rs 10.80 (d)Rs 14.40 (e) None of these
  
3.The students in three classes are in the ratio 2:3:5.  If 20 students are increased in each class, the ratio changes to 4:5:7. The total number of students before the increase were :
a. 10  b. 90  c. 100  d. None of these

4.A man has some hens and some cows. If the number of heads is 50 and number of feet is 142. The number of cows is:
a. 26  b. 24  c. 21  d. 20

5.A sum of Rs. 350 made up of 110 coins, which are of either Rs. 1 or Rs. 5 denomination. How many coins are of Rs. 5?
a. 52  b. 60  c. 62  d. 72

6.A spherical lead ball of radius 10 cm is melted and small lead balls of radius 5 mm are made. The total number of possible small lead balls is :
a. 800  b. 125  c. 400  d. 8000

7.The radius of a wire is decreased to one-third. If volume remains the same, length will increase:
a. 1 time  b. 3 times  c. 6 times  d. 9 times

8.One year payment to the servant is Rs. 200 plus one shirt. The servant leaves after 9 months and recieves Rs. 120 and a shirt. What is the price of the shirt?
a.Rs.80  b.Rs.100  c.Rs.120   d.Cannot be determined

9.A trader makes a profit equal to the selling price of 75 articles when he sold 100 of the articles. What % profit did he make in the transaction?
a.33.33%  b.75% c.300% 4.150%

10.'a' and 'b' are the lengths of the base and height of a right angled triangle whose hypotenuse is 'h'. If the values of 'a' and 'b' are positive integers, which of the following cannot be a value of the square of the hypotenuse?
a. 13  b. 23 c. 37  d. 41

11.A 5 cm cube is cut into as many 1 cm cubes as possible. What is the ratio of the surface area of the larger cube to that of the sum of the surface areas of the smaller cubes?
a.1 : 6  b.1 : 5  c. 1 : 25  d : 125

12.Four horses are tethered at 4 corners of a square field of side 70 metres so that they can just about reach one another. The area left ungrazed by the horses is:
a.1050 sq.m b.3850 sq.m c.950 sq.m d1075 sq.m

13.Find the remainder when the polynomial x4 - 3x2 + 7x - 10 is divided by (x - 2).
a.8  b.-20 c.18  d.0

14.A railway half ticket costs half the full fare and the reservation charge is the same on half ticket as on full ticket. One reserved first class ticket from Chennai to Trivandrum costs Rs. 216 and one full and one half reserved first class tickets cost Rs. 327. What is the basic first class full fare and what is the reservation charge?
a.Rs. 105, Rs. 6  b.Rs. 216 , Rs. 12  c.Rs. 210 , Rs. 12   d.Rs. 210 , Rs. 6

15. A 20 litres mixture of milk and water comprising 60% pure milk is mixed with "x" litres of pure milk. The new mixture comprises 80% milk. What is the value of "x"?
a.40 litres  b.20 litres  c.8 litres  d.16 litres

Thursday, 7 July 2016

Quant mock test-7 for Govt. exams(30 qns) 18min

Video Soultion Click Here


1. There are 4 containers W, X, Y and Z, each of which can hold a maximum quantity of 200 kg of a particular item. Container W has 40% more than X, X has 40% more than Y and Y has 30% less than Z. If W has 102.9 kg of contents, then what percentage of full quantity did Z has?
a) 37.5% b) 12.9% c) 45.8% d) 82.4%

2. A can write 3 notebooks in 48 days and B can write 4 notebooks in 48 days. If, with the help of their friend C, they write 5 notebooks in 20 days, then C alone can write 5 notebooks in:
a) 42 days b) 48 days c) 36 days d) 38 days.

3. A can complete 1/8 of a piece of work in 5 hours; B can complete 80% of the same piece of work in 3 (1/3) days and C can complete 2/3 of the work in 1(1/12) days. Who is the fastest worker?
a) A b) B c) C d) B and C

4. The face of the square and an equilateral triangle are equal with 12 inches.Find the quantitative relation of their area.
a) 3:4 b) 2:3 c) 4:sqrt3 d) 2:sqrt3

5. If 1 can of pure milk is to be mixed with 3 cans of water to make coffee then how many six litre can of pure milk are needed to prepare hundred servings of 3 litre of coffee?
a) 12 b) 13 c) 14 d) 15

6. 6 times square of an integer when diminished by 8 times, the number obtained is 105 more than the integer. Then our integer is:
a) 4 b) 11 c) 5 d) 9

7. If 14p0p0p4 which is a 8 digit number and is divisible by 12 then the number of possible values of p is:
a)3 b)5 c)4 d)2

8. Mr.P, Mr.Q and Mr.R takes a project and they can complete in 36 hours, 54 hours and 72 hours respectively. Unfortunately Mr.P met an accident and left from the project 8 hours before the completion while Mr.Q left 12 hours before the completion. Then for how many hours did Mr.R worked?
a) 24 hours b) 18 hours c) 42 hours d) 36 hours.

9. In a team , the ratio of number of juniors and seniors is 7:8. If 52 juniors and 13 seniors are added, the ratio becomes 11:9.Find the number of juniors initially in the team.
a)91 b)99 c)77 d)71

10. Three numbers are in the ratio 2:3:5. If the sum of the new numbers which are formed by increasing 15%, 10% and 20% of old numbers respectively is 9860. Then what will be 2nd number before increasing?
a)8500 b)6875 c)2550 d)none of these

11. There is a square shaped metal sheet of area 784 sq.cm. If four equal sized maximum round shaped plates are cut off from the metal sheet then the area of each plate is:
a) 154 sq.cm b) 308 sq.cm c) 218 sq.cm d) 174 sq.cm

12. A chocolate maker has to make 25 pieces each of length 3cm from a square shaped bar of length 75cm. If he takes 5 seconds to cut a single piece,then the time(seconds) taken to make 25 pieces is:
a) 125 b)120 c)115 d)110

13. There are 4 cups of tea. The average temperature of first 3 cups is 84 degree Celsius and that of last three cups is 80 degree. The temperature of last one is 5/7 th of the first one. Then the temperature of the last one is
a) 30 b) 29 c) 30.5 d) 32

14. A circle has 4 equal-length chords such that the points of intersection form a square and the diagonals of the square are the diameter of the circle, the number of points equidistant from all the 4 chords is
a)1 b)2 c) 0 d) 4

15 .4 equal aged boys and 6 equal aged girls were regularly attending a guitar class. 22 is the average age of all and 56 is the age of two boys and three girls. After 3 years a boy is replaced by a new boy aged 15. Now, what will be the average age of boys?
a) 13.5 years b) 15.4years c) 16.3 years d) 14 years

16. There are three brothers x,y and z. If z's age is as much more than y's as y's age is more than x's age, find by how much percentage y is older than x. Hints: Age of z is 20 and y is 5 years older than x.
a. 100% b. 50% c. 25% d. 75%

17. The perimeter of a square and a rectangle is the same. If the rectangle is 12 cms. by 10 cms., then by what percentage is the area of the square more than that of the rectangle?
a) 1 b) 3 c) 5/6 d) 1/2

18. Capacity of a cylindrical vessel is 25,872 litres. If the height of the cylinder is 200% more than the radius of its base, what is the area of the base in square cms?
a) 336 b) 1232 c) 616 d) cannot be determined

19.Find the ratio of the volumes of a sphere and cone of same radius. Also the height of the cone is twice its radius.
a.3 : 1 b. 4 : 3 c. 4 : 1 d. 2 : 1

20.John is 100% older than Johan. 20 years hence, John will be 50% older than Johan. Can you find their ages.
a. 30,20 b. 40,20 c. 60,40 d. 50,10

21. A can complete 1/8 of a piece of work in 5 hours; B can complete 80% of the same piece of work in 3 1/3 days and C can complete 2/3 of the work in 1 1/12 days. Who is the fastest worker?
a) A b) B c) C d) B and C

22. The area of a triangle and circle are equal.If the radius of the circle is 6 cm and height of the triangle is 7 cm then the length of the base of the triangle is:
a) 32.32 cm b) 28.12 cm c) 19.19 cm d) 27.27 cm

23. Ravi had a habit of saving coins given by his mother. He achieved in his objective of saving coins amounting to Rs.50. He had ten 1 rupee coins. The ratio of the number of 25 paise coins to that of 50 paise coins was 10/3. Can you find the number of 25 paise coins he had.
a) 100 b) 105 c) 95 d) 98

24. Rajesh is supposed to walk from his house to park every morning. One morning, he is in real hurry and wants to save at least 1/3rd of the time. By how much percentage he should increase his speed.
a. 100% b. 33% c. 66% d. 50%

25. 5 Men are living in a home. The average age of the five men before 5 years was 55. After P years, one new man aged 50 joins with others in the house which makes the average age 60. Find the value of P.
a) 4 b) 3 c) 2 d)7

26. Monisha was seven times as old as her daughter Mercy eight years ago. Now three times Mercy’s age is her mother age. Before how many years the ratio of their ages (ratio of mother's age to Mercy's age) will be increased by 1 from the current ratio
a.5 b) 4 c) 8 d) none of these.

27. The value of tan6 20° – 33 tan4 20° + 27 tan2 20° is :
(a) 2 (b) 3 (c) 4 (d) 5

28. If x sin3 q + ycos3 q = sin qcos q and x sin q = ycos q ,
then x2 + y2 =
(a) 1 (b) 2 (c) 0 (d) None

29. If cos A + cos2 A = 1, then sin2 A + sin4 A = ?
(a) – 1 (b) 0 (c) 1 (d) None of these

30. The correct value of the parameter ‘t’ of the identity
2( sin6x + cos6x) + t (sin4x + cos4x) = –1 is:
(a) 0 (b) –1 (c) –2 (d) –3