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Science & Math for K6 - K12 Students

Ratio and Proportion
Exercise-I
 1. 3 × 0.3 × 0.03 × 0.003 × 3000 = a)  2.45 b)  2.44 c)  2.43 d)  2.42

 2. If a)  276 b)  27600 c)  2760 d)  27.6

 3. If 13324 ÷ 145 = 91.9 then 133.24 ÷ 9.19 a)  14.5 b)  145 c)  1.45 d)  1450

 4. 0.2758 × 10–7 × 105 = a)  0.02758 b)  0.002758 c)  0.2758 d)  2.758

 5. 78.4 Hectares = ________ Ares a)  784 b)  78.4 c)  78400 d)  7840

 6. Zeros at the beginning of a decimal are always a)  significant b)  non – significant c)  a or b d)   none of these

 7. 7.894 is _____ decimal a)  Recurring decimal b)  Pure recurring decimal c)  Mixed recurring decimal d)  terminating

 8. is a ___ a)  repeating decimal b)  non terminating decimal c)  recurring decimal d)  a or b

 9. Which of the following is a pure recurring decimal? a) b) c) d)

 10. Which of the following is a mixed recurring decimal ? a) b) c) d)

 11. If is simplified the recurring decimsl is a) b) c) d)

 12. Express as terminating decimal a)  0.375 b)  0.275 c)  0.475 d)  0.575

 13. Round off to the nearest whole number a)  872 b)  873 c)  874 d)  875

 14. Round of 6.1234 to the nearest terms a)  6.2 b)  6.3 c)  6.1 d)  6.5

 15. Round off 427.42851 to the nearest thousandths a)  427.428 b)  427.429 c)  427.427 d)  427.426

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