Welcome to your 08 math Name 1. Mohan bought a Mobile for ₹ 9000 and sold at the loss of ₹ 900.Find the selling price of the mobile. Deselect Answer 9900 8100 8900 9100 None 2. 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 3. The cube root of 8² is _____ Deselect Answer 64 4 16 8 None 4. Rishi sold his television set for Rs. 2560, thereby losing 20% on what he paid for it. What did he pay for it? Deselect Answer 4250 2580 3200 None of these None 5. ∛(125/216) = ? Deselect Answer 5/6 2/3 1/2 3/4 None 6. A rectangular park of length 70 m and breadth 50 m is there in a locality. Two crossroads perpendicular to each other of width 6 m needs to be constructed in between the park for walking. Find the area of Vertical Road. Deselect Answer 300 sq m 420 sq m 320 sq m None of these None 7. What is the least number to be added to 631 to make it a perfect square? Deselect Answer 25 30 36 45 None 8. Three numbers are in the ratio to one another 2:3:4 and the sum of their squares is 1421.What are the numbers? Deselect Answer 21, 14, 28 14, 21, 28 28, 14, 21 27, 15, 14 None 9. Which letter best represents the location of √25 on a number line? Deselect Answer A B C D None 10. A wire is bent to form a square of side 44 cm. If the wire is rebent to form a circle, its radius is: Deselect Answer 28 cm 14 cm 11 cm 7 cm None 11. The volume of a cylinder whose radius r is equal to its height is Deselect Answer 1/4 πr³ πr³/32 πr³ r³/8 None 12. One’s place digit in the cube of 623 is Deselect Answer 7 3 9 1 None 13. The smallest number by which 3456 must be multiplied so that the product will be a perfect cube. Deselect Answer 4 3 2 1 None 14. Deselect Answer 108 324 2916 4800 None 15. A piece of string is 36 cm long. What will be the length of each side. If the string is used to form a square? Deselect Answer 9cm 10cm 12cm None of these None 16. The model below represents √36 = 6 Which arrangement of small squares can be used to model a large square that represents √324? Deselect Answer 9 rows of 36 square 18 rows of 18 squares 12 rows of 27 squares 6 rows of 54 squares None 17. Find the number of plants in each row, if 3136 plants are arranged, so that number of plants in a row is the same as the number of rows. Deselect Answer 56 64 560 106 None 18. Find the greatest number of three digits that is a perfect square. Deselect Answer 969 961 916 1024 None 19. Cube Root of 24389= Deselect Answer 23 29 19 None of these None 20. Find the area of a right angled triangular Garden whose base is 12 cm and hypotenuse 13 cm? Deselect Answer 30 sq. cm 156 sq. cm 78 sq. cm 60 sq. cm None Time's upTime is Up!
