UP SI MATHS QUIZ-20

At an election there are two candidates. A candidate got $28 \%$ of votes and lost by 13200 votes the total number of valid votes were.

In a race of $1000 \mathrm{~m}$, A can beat $\mathrm{B}$ by $100 \mathrm{~m}$. In a race of $400 \mathrm{~m}, \mathrm{~B}$ beats $\mathrm{C}$ by $40 \mathrm{~m} .$ In a race of 500, A will beat C by:

Average age of mother, father and son at the time of his marriage was 42 years. After one year of marriage a child born. Average age of the family after 6 years of marriage will be 36 years. Find age of daughter in law at the time of marriage?

The ratio of the money with Rita and Sita is 7:3 and that with Sita and Kavita is 5:8.if Rita has Rs 420, how much money does Kavita have?

Pipe A can empty a tank in 48 minutes, Pipe B can fill the same tank in 72 minutes and Pipe $C$ can fill the same tank in 96 minutes.  If all the three pipes are opened simultaneously, in how many minutes will the tank be filled?

The rate of interest for the first 2yrs is 8% per annum, for the next 3yrs is 10% per annum and for the period beyond 5yrs 12% per annum. If a man gets Rs2030 as a Simple interest for 6 yrs, how much money did he deposit?

A and B can do a piece of work in 72 days. B and C can do it in 120 days, A and C can do it in 90 days. In What time can A alone do it?

Ajay and Bhaskar started a partnership business investing some amount in the ratio of $3: 5$. Chand joined them after six months with an amount equal to the Bhasker then find the ratio of profit distributed among them at the end of the year. 

In a Class, the respective ratio between the number of boys and the number of girls is 3: 1. A test was conducted, where in the average Score of the boys was 83, while that of entire class was 81. What was the average score of the girls?

A train when moves at an average speed of $40 \mathrm{kmph}$, reaches its destination on time. When its average speed becomes 35 kmph, then it reaches its destination 15 minutes late. Find the length of journey?