Welcome to your 07 Math Free Name 1. Multiplicative inverse of -3/5 is Deselect Answer 3/5 5/3 - 5/3 5/9 None 2. 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 3. If Reena pays an interest of ₹1000 for 4 years on a sum of ₹ 2500, find the rate of interest per annum(p.a.) Deselect Answer 20% 10% 25% 5% None 4. Deselect Answer 18/5 9/5 -5/9 5/9 None 5. In the standard form of a rational number, the common factor of numerator and denominator is always: Deselect Answer 2 1 -2 0 None 6. A certain freezing process requires the room temperature to be lowered from 50ºC at the rate of 8ºC every hour. What will be the room temperature 7 hours after the process begins? Deselect Answer -106ºC 106ºC 6ºC -6ºC None 7. Which sign will come in the blank space? (-6) x (-5)-2 _______________ (-6)x (-5-2) Deselect Answer > < = Can’t say None 8. 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 9. Amit bought a cricket ball for Rs. 35 and sold it to Prakesh at 20% profit. What did Prakesh pay? Deselect Answer 23 55 42 None of these None 10. Find the area of a square park whose perimeter is 440 m, Also find the cost of growing grass on it at the rate of ₹ 2.15 per sq. m? Deselect Answer 12100 sq m ,₹ 26015 12100 sq m ,₹ 26115 11100 sq m ,₹ 36115 None of these None 11. 1 hectare =________ sq m Deselect Answer 1000 10000 100 10 None 12. The highest power of variable in linear equation is __________ Deselect Answer 0 1 2 None of these None 13. In a class of 45 pupils 18 wear glasses. What is this a percentage of the pupils that wear glasses in the class? Deselect Answer 12 % 40 % 20 % 16 % None 14. Every fraction is a rational number. Deselect Answer True False Can’t Say None 15. A girl has read 240 books out of a total of 300 on her bookshelf. What is the percentage of books that he has not yet read? Deselect Answer 12 % 18 % 20 % 16 % None 16. Increase Rs 350 by 20% Deselect Answer 370 480 420 None of these None 17. What should be multiplied with -3/7 to obtain the nearest integer? Deselect Answer 0 7/3 -3/7 -7/3 None 18. Every natural number is a rational number but every rational number need not be a natural number. Deselect Answer True False can’t say None 19. 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 20. Circumference of a circle is always : Deselect Answer more than three times of its diameter three times of its diameter less than three times of its diameter three times of its radius None Time's upTime is Up!
