Welcome to your 07 Math Name 1. The area of four walls of a room is 420 Square meter. If length of the room is double the breadth of the room and wall is 5 m high, Find length and breadth of the room? Deselect Answer 28m ,14 m 18m ,9 m 30m ,15 m None of these None 2. The height of an equilateral triangle is √6cm, Its area is : Deselect Answer √3 cm² 2√3 cm² 26 cm² 3√3 cm² None 3. Express Rs. 0.56 as a percentage of Rs. 3.50 Deselect Answer 12 % 18 % 16% None of these None 4. Water and Milk are mixed in the ratio 2:7. Find the quantity of water in 54 liters of mixture. Deselect Answer 12 42 6 10 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. For a non-zero integer a which of the following is not defined? Deselect Answer a ÷ 0 0 ÷ a a ÷ 1 1 ÷ a None 7. Observe the shapes 1, 2, 3 and 4 in the figures. Which of the following statements is not correct? Deselect Answer Shapes 1, 3 and 4 have different areas and different perimeters Shapes 1 and 4 have the same area as well as the same perimeter Shapes 1, 2 and 4 have the same area Shapes 1, 3 and 4 have the same perimeter None 8. If p squares of each side 1mm makes a square of side 1cm, then p is equal to Deselect Answer 10 100 1000 10000 None 9. In the standard form of a rational number, the denominator is always a Deselect Answer 0 Negative Integer Positive Integer 1 None 10. Increase Rs 512 by 6% Deselect Answer 540.78 518 540 542.72 None 11. Which sign will come in the blank space? – 231 + 79 + 51 _________–399 + 159 + 81 Deselect Answer > < = Can’t say None 12. In a bag the number of one rupee coins is three times the number of two rupee coins. If the total worth of the coins is ₹120, Find the number of two rupee coins. Deselect Answer 12 24 42 Can't say None 13. The rational number _________ is neither positive nor negative. Deselect Answer 10 1 0 None of These None 14. If the sides of a parallelogram are increased to twice its original lengths, how much will the perimeter of the new parallelogram increase? Deselect Answer 1.5 times 2 times 3 times 4 times None 15. A car manufacturer claimed that CO₂ emissions from a car were 160g/km. Their latest model has emissions at 15% less. What are the CO₂ emissions on the new car? Deselect Answer 126 183 136 163 None 16. Water level in a well was 30 m below ground level. During rainy season, rainwater collected in different water tanks was drained into the well and the water level rises 10 m above the previous level. The wall of the well is 1m 30cm high and a pulley affixed at a height of 70 cm. Ram wants to draw water from the well. The minimum length of the rope, that he can use is Deselect Answer 17 m 37 m 38 m None of these None 17. The root of the equation 6x=0 is Deselect Answer 6 -6 0 1 None 18. ( – 43) × ( – 99) + 43 is equal to Deselect Answer 4300 -4300 4257 – 4214 None 19. The solution of the equation 3x + 7 = – 20 is Deselect Answer 17/7 -9 9 13/3 None 20. In any rational number p/q, denominator is always a non-zero integer. Deselect Answer True False None Time's upTime is Up!