Class 12 CBSE Applied Maths Number Quantification & Numerical Applications Exercise 1.1

Class 12 CBSE Applied Maths aims to develop an understanding of basic mathematical and statistical tools and their applications in the field of commerce (business/ finance/economics) and social sciences. Topics covered in Class 12th Applied Maths includes : Numbers, Quantification and Numerical Applications, Algebra, Calculus, Probability Distributions , Inferential Statistics, Index Numbers and Time-based data , Financial Mathematics , Linear Programming.

Class 12 CBSE Applied Maths Number Quantification & Numerical Applications Exercise 1.1

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Q1. Evaluate the following: (i) 43 (mod 6) (ii) 97 (mod 5) (iii)-17 (mod 4) (iv) (57-42) mod 11 (v) (62 +53) mod 7 (vi) (9x8) mod 5

Q2. Find (576+789) mod 9.

Q3. Find (482x 813) mod 7.

Q4. Find the remainder when 987 + 876 +765+ 654+ 543 +432+321+210 is divided by 6

Q5. Find the remainder when 862 x 783 x 671 x 549 x 411 x 395 x 217 is divided by 8.

Q6. Find the last two digits of the product 4895 x 6789.

Q7. Find the last three digits of the product 2345 x 4567

Q8. Find the last two digits of the product 123 x 234 x 345

Q9. Find the value of 612 (mod 7)

Q10. Find the last digit of 1717

Q11. Find the last two digits of 220

Q12. It is 7:00 PM. currently. What time (in A.M. or P.M.) will be in next 1500 hours?

Q13. Find the set of values of x satisfying x+1=32 (mod 7).

Q14. If 48=12 (mod n), find the values of n.

Q15. If 57 = x (mod 4), find the least positive value of x.

Q16. Find the congruence class of 4 mod 7.

Q17. (i) Find addition modulo 7 if a and b are 12 and 6 respectively. (ii) Find addition modulo 19 if a and b are 8 and 6 respectively.

Q19. (i) Find multiplication modulo 8 if a and b are 5 and 7 respectively. (ii) Find multiplication modulo 6 if a and b are 2 and 3 respectively

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Q1. Evaluate the following:

(i) 43 (mod 6)
(ii) 97 (mod 5)
(iii)-17 (mod 4)
(iv) (57-42) mod 11
(v) (62 +53) mod 7
(vi) (9x8) mod 5

Q9. Find the value of 6¹² (mod 7)

Q10. Find the last digit of 17¹⁷

Q11. Find the last two digits of 2²⁰

Q17. (i) Find addition modulo 7 if a and b are 12 and 6 respectively.

(ii) Find addition modulo 19 if a and b are 8 and 6 respectively.

Q19. (i) Find multiplication modulo 8 if a and b are 5 and 7 respectively.

(ii) Find multiplication modulo 6 if a and b are 2 and 3 respectively