DELHI POLICE MATHS QUIZ-61

A's income is Rs. 90 less than B's income and C's income is Rs. 75 more than D's income. If the ratio of A's and C's income is $48: 47$ and the ratio of B's and D's income is $9: 7$, then find the sum of all fours income.

In an election, 60% of voters cast their vote. 25% of the casted votes were invalid. 60% of the valid votes were secured by BJP and he won the Election by 18000 votes. Find the number of voters who could not cast their votes?

What is the greatest number by which when 156,181 and 331 are divided, the remainder is 6 in each case?

A can do a certain work in 12 days, B in 15 days and $\mathrm{C}$ can do it in 21 days. They started working together but B left the work after 4 days and $\mathrm{C}$ left the work 3 days before the completion of the work. The time taken to complete the work is?

The batting average for 40 innings of a cricketer is 50 runs. His highest score is more than his minimum score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is

If the ratio of speeds of $A$ and $B$ is $5: 6$ and A loses, 10 sec the race by 300 metres, then what is the length of the race track? (in metre)

The income of Sanjay is $38 \%$ less than the income of Alok, and the income of Alok is $13 \frac{1}{3} \%$ less than Rs. 45000 . The income of Sanjay (in rupees) is:

CP of 15 apples is equal to SP of 12 apples. While the discount on 8 apples is equal to the profit earned on selling 6 apples. Find the difference between $\%$ of profit and discount?

In a circle centred at $\mathrm{O}$ and diameter $96 \mathrm{~cm}$, a tangent AP is drawn from an external point $A$. If $O A=73 \mathrm{~cm}$, then the length of tangent $A P$ is:

Rs 8000 amounts to Rs 9261 after 3 years when Interest is $x \%$ compounded annually. Find $x$ ?