CBSE MATH STUDY AND CBSE MATH COMPLETE STUDY
Q1. Express the following rational numbers in standard form:
(i) 24/64 (ii) 36/63 (iii) −12/30
Q2. Which of the two rational number is greater in the given pairs?
(i) −43or−87 (ii) 4−5or−710 (iii) −125or−3
Q3. Express −42/98as a rational number with denominator 7.
Q4. Represent 2/3on the number line.
Q5. Represent −3/5on the number line.
Q6. Find the additive inverse of the following: (i) 5/9 (ii) 9/−11
Q7. Add the following rational numbers: (i) 58 and−712 (ii) −516 and 724
Q8. Using the rearrangement property find the sum: (i) 43+ 35+ (−23)+(−115) (ii) (−67)+(−56)+(−49)+ (−157 )
Q.9.Rita had Rs300. She spent 1/3of her money on notebooks and 1/4of the remainder on stationery items. How much money is left with her?
Q10. Find each of the following products: (i) 35×−78 (ii) −611×−53
Q11. Fill in the blanks: (i) −2317×1835 = 1835×... (ii) −38×−719= −719 ×...
Q12. Find the multiplicative inverse (i.e. reciprocal) of the following: (i) 13/25 (ii) 2/−5
Q13. Find a rational number between 1/4and1/3.
Q14. Find two rational numbers between −3and−2.
Q15. Find the area of a square plot of land whose each side measures 812m.
Q1. Express the following rational numbers in standard form:
(i) 24/64 (ii) 36/63 (iii) −12/30
Q2. Which of the two rational number is greater in the given pairs?
(i) −43or−87 (ii) 4−5or−710 (iii) −125or−3
Q3. Express −42/98as a rational number with denominator 7.
Q4. Represent 2/3on the number line.
Q5. Represent −3/5on the number line.
Q6. Find the additive inverse of the following: (i) 5/9 (ii) 9/−11
Q7. Add the following rational numbers: (i) 58 and−712 (ii) −516 and 724
Q8. Using the rearrangement property find the sum: (i) 43+ 35+ (−23)+(−115) (ii) (−67)+(−56)+(−49)+ (−157 )
Q.9.Rita had Rs300. She spent 1/3of her money on notebooks and 1/4of the remainder on stationery items. How much money is left with her?
Q10. Find each of the following products: (i) 35×−78 (ii) −611×−53
Q11. Fill in the blanks: (i) −2317×1835 = 1835×... (ii) −38×−719= −719 ×...
Q12. Find the multiplicative inverse (i.e. reciprocal) of the following: (i) 13/25 (ii) 2/−5
Q13. Find a rational number between 1/4and1/3.
Q14. Find two rational numbers between −3and−2.
Q15. Find the area of a square plot of land whose each side measures 812m.
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