Welcome to your 07 Math Name 1. Every integer is a rational number but every rational number need not be an integer. Deselect Answer True False Can’t Say None 2. The rational numbers –11/–4 and –6/19 are on the opposite sides of zero on the number line. Deselect Answer True False Can’t Say None 3. If m, n and p are integers, then according to the associative law of multiplication, (m × n) × p must be equal to: Deselect Answer m × n × p (m × n) + p (m + n) × p m × (n × p) None 4. By what rational number should we multiply with -7/9 to obtain the product as 63 ? Deselect Answer 0 7/9 -63/7 -81 None 5. Length of tape required to cover the edges of a semicircular disc of radius 10 cm is Deselect Answer 62.8 cm 51.4 cm 31.4 cm 15.7 cm None 6. Which sign will come in the blank space? – 231 + 79 + 51 _________–399 + 159 + 81 Deselect Answer > < = Can’t say None 7. Rectangle MNOP is made up of four congruent rectangles. If the area of one of the rectangles is 8 sq m and length is 4 m, then find the perimeter of MNOP. Deselect Answer 24 m 26 m 28 m 30 m None 8. The solution of the equation ax + b = 0 is Deselect Answer a/b – b -b/a b/a None 9. There are 20 Math books in a bookcase. When the number of books increases by x percent, the new number of Math books is 26. What is the value of x? Deselect Answer 46% 70% 120% 30% None 10. 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 11. Find the value of 8 × 53 × (–125) Deselect Answer 299 -53000 5300 -299 None 12. Which sign will come in the blank space? 6-3 x 11 ____________ (6-3) x 11 Deselect Answer > < = Can’t say None 13. Area of shaded portion in Deselect Answer 25 cm² 15 cm² 14 cm² 10 cm² None 14. 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 15. Which of the following shows the maximum rise in temperature? Deselect Answer 23° to 32° – 10° to + 1° – 18° to – 11° – 5° to 5° None 16. Which sign will come in the blank space? 39 + (– 24) – (15) _______________36 + (– 52) – (– 36) Deselect Answer > < = Can’t say None 17. If 1m² = x mm² , then the value of x is Deselect Answer 1000 10000 100000 1000000 None 18. A number has two digits whose sum is 9. If 27 is added to the number; its digits get interchanged. Find the number. Deselect Answer 27 36 63 45 None 19. (– 25) × [6 + 4] is not same as Deselect Answer (– 25) × [6 + 4] is not same as (– 25) × 6 + (– 25) × 4 (– 25) × 6 × 4 – 250 None 20. |p - q| = |p| - |q|, where p and q are natural numbers and p < q. Deselect Answer True False Can’t say None Time's upTime is Up!
