1551. If the volumes of two cubes are in the ratio 8: 1, the ratio of their edges is_________?
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A. None of these

B. 8:01

C. 2 : 1

D. 2?2 : 1

1552. A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If four marbles are picked at random, what is the probability that none is blue?
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A. 65/91

B. 33/91

C. 51/91

D. 17/91

1553. If the sides of a triangle are 26 cm, 24 cm and 10 cm, what is its area?
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A. 315 cm2

B. 120 cm2

C. 312 cm2

D. 130 cm2

1554. (i). a<sup>2
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A. If a > b

B. If the relationship between a and b cannot be established

C. If a < b

D. If a ? b
1555. I. x<sup>2
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A. If x ? y

B. If x < y

C. If x > y

D. If x ? y

1556. Find the greatest number that, while dividing 47, 215 and 365, gives the same remainder in each case?
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A. 4

B. 5

C. 6

D. 3

1557. If a card is drawn from a well shuffled pack of cards, the probability of drawing a spade or a king is__________?
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A. 13-May

B. 19/52

C. 4/13

D. 17/52

1558. What are the chances that no two boys are sitting together for a photograph if there are 5 girls and 2 boys?
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A. 7-Apr

B. 5/7

C. 21-Jan

D. 7-Feb

1559. An order was placed for the supply of a carpet whose breadth was 6 m and length was 1.44 times the breadth. What be the cost of a carpet whose length and breadth are 40% more and 25% more respectively than the first carpet. Given that the ratio of carpet is Rs. 45 per sq m?
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A. Rs. 4082.40

B. Rs. 3642.40

C. Rs. 4216.20

D. Rs. 3868.80

1560. Find the roots of quadratic equation: 3x<sup>2
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A. 3, -2/3

B. -6, 3

C. -9, 2

D. -5, 2

1561. A rectangular courtyard, the sides of which are in the ratio of 4:3, cost Rs.600 for paving at 50 p per m<sup>2
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A. 50 m

B. 35 m

C. 25 m

D. 45 m

1562. If the height of a cone is increased by 100% then its volume is increased by_________?
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A. 300%

B. 100%

C. 400%

D. 200%

1563. The average monthly salary of 20 employees in an organisation is Rs. 1500. If the managers salary is added, then the average salary increases by Rs. 100. What is the managers monthly salary?
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A. Rs. 3600

B. Rs. 4800

C. Rs. 2000

D. Rs. 2400

1564. The diameter of a cylindrical tin is 6cm and height is 5 cm. Find the volume of the cylinder?
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A. 30 ? cc

B. 45 ? cc

C. 180 ? cc

D. 150 ? cc

1565. The edges of a cuboid are respectively 3cm, 4cm and 12 cm. Find the length of the diagonal of cuboid.
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A. 13 cm

B. 144 cm

C. 5 cm

D. 19 cm

1566. The volumes of two cones are in the ratio 1 : 10 and the radii of the cones are in the ratio of 1 : 2. What is the length of the wire?
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A. 2 : 5

B. 1:05

C. 4:05

D. 3:05

1567. 1095/1168 when expressed in simplest form is:
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A. 13/16

B. 17/26

C. 25/26

D. 15/16
1568. A 25 cm wide path is to be made around a circular garden having a diameter of 4 meters. Approximate area of the path is square meters is__________?
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A. 5.5

B. 3.34

C. 2

D. 4.5

1569. Find the roots of quadratic equation: 2x<sup>2
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A. -2, -1/2

B. 4, 1

C. 4, -1

D. -2, 5/2

1570. A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in?
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A. 16 hrs

B. 20 hrs

C. 40 hrs

D. 25 hrs

1571. 252 can be expressed as a product of primes as_______________?
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A. 2 * 2 * 2 * 3 * 7

B. 2 * 2 * 3 * 3 * 7

C. 3 * 3 * 3 * 3 * 7

D. 2 * 3 * 3 * 3 * 7

1572. A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of the cone is h. If the total volume of the solid is three times the volume of the cone then the height of the cylinder is________?
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A. 2h/3

B. 4h

C. 3h/2

D. 2h

1573. The area of a base of a cone is 30 cm<sup>2
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A. 120 cm<sup>3</sup>

B. 60 cm3

C. 50 cm<sup>3</sup>

D. 40 cm<sup>3</sup>

1574. A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family?
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A. None of these

B. 28 4/7 years

C. 32 1/7 years

D. 31 5/7 years
1575. The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is_____________?
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A. 11

B. 11.4

C. 11.5

D. 11.3

1576. The average of four positive integers is 69. The highest integer is 93 and the least integer is 39. The difference between the remaining two integers is 28. Which of the following integers is the higher of the remaining two integers?
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A. 86

B. 58

C. None of these

D. 49

1577. 1 inch is equal to__________?
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A. None

B. 2.4 cm

C. 2.5 cm

D. 2.54 cm
1578. The average of 13 numbers is 60. Average of the first 7 of them is 57 and that of the last 7 is 61. Find the 8th number?
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A. 51

B. 46

C. 68

D. 32

1579. What are Prime Numbers?
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A. Which can be divided by Odd Numbers

B. Which can be divided by Even Numbers

C. Which can be divided by any Number

D. Which can be divided by Number 1 & by itself Number
1580. The total marks obtained by a student in Mathematics and Physics is 60 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathematics and Chemistry together.
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A. 40

B. Data inadequate

C. 30

D. 25

1581. The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?
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A. 27 years

B. 18 years

C. 11 years

D. 7 years

1582. If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:
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A. 54.68

B. None of these

C. 53.33

D. 55

1583. The average salary of a person for the months of January, February, March and April is Rs.8000 and that for the months February, March, April and May is Rs.8500. If his salary for the month of May is Rs.6500, find his salary for the month of January?
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A. 2500

B. 4500

C. 3000

D. 5000

1584. A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is__________?
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A. Rs.20

B. Rs.23

C. Rs.22

D. Rs.21
1585. Sarfaraz obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?
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A. 72

B. 69

C. 65

D. None of these
1586. A man spend Rs. 3300. This was 75% of his monthly income. His monthly income is__________?
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A. 4000

B. 5000

C. 4400

D. 5400

1587. Find the average of the series : 312, 162, 132, 142 and 122?
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A. 174

B. 186

C. 162

D. 194

1588. The average of first ten prime numbers which are odd is____________?
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A. 17

B. 13.8

C. 12.9

D. 15.8
1589. A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is___________?
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A. 276

B. 280

C. 250

D. 285
1590. The present average age of a family of five members is 26 years. If the present age of the youngest member in the family is ten years, then what was the average age of the family at the time of the birth of the youngest member ? (Assume no death occurred in the family since the birth of the youngest).
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A. 20 years

B. 14 years

C. 16 years

D. 18 years

1591. A team of eight entered for a shooting competition. The best marks man scored 85 points. If he had scored 92 points, the average scores for. The team would have been 84. How many points altogether did the team score?
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A. 625

B. 656

C. 632

D. 665
1592. A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings?
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A. 34

B. 35

C. 37

D. 36

1593. The average age of a husband and a wife is 23 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child?
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A. 1 year

B. 3 years

C. 2 years

D. 4 years
1594. The average of 10 numbers is 23. If each number is increased by 4, what will the new average?
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A. 29

B. 25

C. 27

D. 22

1595. The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?
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A. Cannot be determined

B. 8

C. 5

D. 2

1596. The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
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A. 24 years

B. 36 years

C. 18 years

D. 30 years
1597. The average of non-zero number and its square is 5 times the number. The number is__________?
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A. 9

B. 17

C. 29

D. 295

1598. Rs. 6000 is lent out in two parts. One part is lent at 7% p.a simple interest and the other is lent at 10% p.a simple interest. The total interest at the end of one year was Rs. 450. Find the ratio of the amounts lent at the lower rate and higher rate of interest?
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A. 5 : 1

B. 4:01

C. 3:02

D. 2:01

1599. The average of first 10 natural numbers is____________?
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A. 5

B. 6

C. 5.5

D. 6.5

1600. The average of first five prime numbers greater than 20 is____________?
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A. 31.01

B. 31

C. 32.2

D. 32