Welcome to your 08 math Name 1. If two dozen bananas cost ₹120, then what is the cost of 10 bananas? Deselect Answer ₹60 ₹ 50 ₹12 ₹ 72 None 2. Seema’s income is ₹1,60,000 per year. She pays 15% of this as house rent and 10% of the remainder on her child’s education. The money left with her is : Deselect Answer ₹136000 ₹120000 ₹122400 ₹14000 None 3. The dimensions of a godown are 60 m, 25 m and 15 m. If it is filled with cuboid boxes each of dimensions 2 m x 2.5 m x 3 m, then the number of boxes will be Deselect Answer 2800 1000 1500 4000 None 4. Area of a right angled triangle is 30 sq cm. If its smallest side is 5 cm, then its hypotenuse is: Deselect Answer 14 cm 13 cm 12 cm 11 cm None 5. How much distance, in metres, a wheel of 25 cm radius will cover, if it rotates 560 times? Deselect Answer 700 cm 880 m 700 m 880 cm None 6. A student multiplied a number by 2/5 instead of 5/2. What is the percentage error in the calculation? Deselect Answer 84% 64% 42% 25% None 7. An English jeweler sold Rs. 35000 worth of jewels in one month (his ‘turnover’) and made a profit of Rs. 14000. What is his profit as a percentage of his turnover? Deselect Answer 12 % 40 % 20 % 16 % None 8. How many coins 1.4 cm in diameter and 0.4 cm thick is to be melted to form, right circular cylinder of height 16 cm and diameter 3.5 cm Deselect Answer 200 150 250 300 None 9. The cube of an odd natural number is________. Deselect Answer Even Odd Prime number None of these None 10. √0.0009 ÷ √0.01 = ? Deselect Answer 3 0.3 1/3 None of these None 11. A covered wooden box has the inner measures as 115 cm, 75 cm and 35 cm and thickness of wood as 2.5 cm. The volume of the wood is Deselect Answer 85,000 cm³ 80,000 cm³ 82,125 cm³ 84,000 cm³ None 12. 89 persons are going for rafting trip They can rent 5-person, 7-person, and 8-person rafts. All the rafts must be full in order to have the correct balance. The daily rental rates are: 5-person raft ₹240.00 7-person raft ₹280.00 8-person raft ₹340.00 What can be the minimum possible total cost of rafting? Deselect Answer ₹3600 ₹3300 ₹5200 ₹3040 None 13. Find the smallest number by which 9720 should be divided to get a perfect cube. Deselect Answer 75 15 45 90 None 14. For calculation of interest compounded half yearly, keeping the principal same, which one of the following is true Deselect Answer Double the given annual rate and half the given number of years. Double the given annual rate as well as the given number of years Half the given annual rate as well as the given number of years Half the given annual rate and double the given number of years. None 15. The sum of successive odd numbers 1, 3, 5, 7, 9, 11, 13 and 15 is Deselect Answer 81 64 49 36 None 16. The side of an equilateral triangle is 4 cm. What would be the measurement of perpendicular from vertex A to BC? Deselect Answer 2 cm 2√2 cm 2√3 cm 3 cm None 17. Find the value of Deselect Answer 1 -1 0 1/2 None 18. A bought a tape recorder for ₹8,000 and sold it to B. B in turn sold it to C, each earning a profit of 20%. Which of the following is true: Deselect Answer A and B earn the same profit A earns more profit than B. A earns less profit than B Cannot be decided None 19. One day the temperature in London is 18ºC and in Athens it is 80% higher. What is the temperature in Athens? Deselect Answer 32.4 23.4 98 43.4 None 20. If one member of a pythagorean triplet is 2m, then the other two members are Deselect Answer m, m²+1 m²+1, m²–1 m², m²–1 m², m+1 None Time's upTime is Up!
