UP SI MATHS QUIZ-50

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Question 1:

What is the compound interest (in Rs.) on a sum of Rs.5,000 for $1 \frac{1}{4}$ years at $24 \%$ per annum, if interest is compounded 5 monthly?

Question 2:

If numerator of a fraction increased by $12 \%$ and denominator decreased by $18 \%$ new fraction obtained is $\frac{44}{59}$ Find original fraction?

Question 3:

If price of an article increases by $12 \%$, a person has to pay Rs. 18 more for a $\mathrm{kg}$. Find increased price of an article?

Question 4:

If $a+b=12$ and $a^{3}+b^{3}=600$ then the value of $\frac{a b}{a+b} ?$

Question 5:

At a certain rate of simple intrest Rs.900 becomes Rs. 1215 in 5 years, then find the rate of interest?

Question 6:

Jatin is four times the age of his daughter. If after 4 years, he would be three times the age of his daughter then further 4 years, he would be how many times the age of his daughter.

Question 7:

The ratio of the income of Akash and Rohit is $6: 5$ and the ratio between their expenditure is $5: 3 .$ If each of them saves Rs. $7000 .$ Then find the income of Akash.

Question 8:

The average of 12 number is 39 . The average of last 5 number is 35 , and that of the first four number is 40 . The fifth number is 6 less than the sixth number and 5 more than the seventh number. The average of the fifth and sixth number is:

Question 9:

A train overtakes two bikes that are running in the same direction in which the train is going at the rate of $25 \mathrm{~km} / \mathrm{h}$ and $45 \mathrm{~km} / \mathrm{h}$ and passes them completely in $35 \mathrm{sec}$ and $45 \mathrm{sec}$ respectively. Find the length of the train (in $\mathrm{m}$ ).

Question 10:

The ratio of efficiencies of $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$ is $7: 5: 8$. Working togethers they can complete a piece of work in 42 days. B and C worked together for 21 days and the remaining work was completed by A alone. The whole work was completed in-