Question
Find the last digit of 753.
Solution
ATQ, Last digits of powers of 7 repeat in cycle of 4: 71 - > 7 72 - > 9 7^3 - > 3 74 - > 1 Cycle: 7, 9, 3, 1 Now 53 mod 4: 4*13 = 52, remainder = 1 So 753 has same last digit as 71 => 7
A started a business with an investment of Rs.12000. After few months B joined him with an investment of Rs.15000. If at the end of the year, they share...
A, B and C enter into a partnership with a capital in which A’s contribution is Rs. 14,000. If out of a total profit of Rs. 900, A gets Rs. 400 an...
- Two partners, Neha and Priya, invested Rs. 3600 and Rs. 2400 respectively into a business. At the end of the year, they earned a profit of Rs. 12,600. What...
A, B and C invest Rs. 12,000, Rs. 15,000 and Rs. 10,000 respectively for 12 months, 8 months and 6 months. If the total profit is Rs. 27,000, what is BοΏ½...
- X and Y invested Rs. 48,000 and Rs. 36,000 respectively in a business. After 4 months, Z joined them with an investment of Rs. 30,000. If the annual profit...
'X' and 'Y' started a business by investing Rs. 12,000 and Rs. 8,000, respectively. 'X' also works as manager in the business for which he's entitled t...
Three partners, 'A', 'B', and 'C', invested in a business with contributions of Rs. 24,000, Rs. 15,000, and Rs. 18,000, respectively. They committed the...
βAβ, βBβ and βCβ started a business by investing Rs. 2500, Rs. 4500 and Rs. 3500, respectively. After 4 months, βBβ left and βAβ and...
In a business, A invested Rs. 1400 more than that by B. After 5 months, A left the business. If at the end of the year, profit earned by B is equal to t...
X and Y invested Rs. 6,000 and Rs. 8,000 in a business. Y withdrew his investment after 9 months. If the total profit at the end of the year is Rs. 3,30...
Relevant for Exams:
