Recent questions and answers in Mathematics

Question

0 Votes

1 Answer 25 Views

What is the difference between $\alpha$, $\beta$ and $\gamma$ rays?

AlokKumar Answered in Mathematics May 29

by AlokKumar

4.3k Points

2 Votes

0 Answers 16 Views

What is the Value of $(a+b+c)^3$

AlokKumar Asked in Mathematics Mar 25

by AlokKumar

4.3k Points

3 Votes

0 Answers 12 Views

A ray of light from a denser medium strikes a rarer nedium at an angle of incidence $i$.

AlokKumar Asked in Mathematics Mar 24

by AlokKumar

4.3k Points

2 Votes

0 Answers 22 Views

What is the value of $(a+b)^2$

AlokKumar Asked in Mathematics Mar 24

by AlokKumar

4.3k Points

1 Vote

1 Answer 28 Views

A shawl is bought in Rs. 140 and sold in Rs. 133. What is the loss percent?

Gitesh kumar Garg Answered in Mathematics Mar 24

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 43 Views

A man bought two cows in Rs. 410 and sold each of them at the same price and thereby gained $15 \%$ on one and lost $10 \%$ on the other. What was the C.P. of each cow?

Gitesh kumar Garg Answered in Mathematics Mar 24

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 21 Views

If $10 \%$ be lost by selling an article in Rs. $22 \cdot 50$, then how much it should have been sold to gain $10 \%$ ?

Gitesh kumar Garg Answered in Mathematics Mar 24

by Gitesh kumar Garg

7.2k Points

0 Votes

1 Answer 19 Views

A watch was sold in Rs. 176 at a loss of $12 \%$. What was its cost price?

Gitesh kumar Garg Answered in Mathematics Mar 24

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 13 Views

A fountain pen is bought in Rs. 20 . For how much it be sold so as to gain $10 \%$ ?

Gitesh kumar Garg Answered in Mathematics Mar 24

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 19 Views

Lozenges were bought at 7 in $6 \mathrm{p}$ and sold at 6 in 7 p. Find the profit percent.

Gitesh kumar Garg Answered in Mathematics Mar 24

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 26 Views

C.D. Yadav bought a plastic sheet in Rs. 800 and sold it in Rs. $1000 .$ Find his gain or loss percent.

Gitesh kumar Garg Answered in Mathematics Mar 23

by Gitesh kumar Garg

7.2k Points

0 Votes

1 Answer 17 Views

A shopkeeper bought a table in Rs. 3500 and sold it in Rs. 4400 . Find his gain or loss.

Gitesh kumar Garg Answered in Mathematics Mar 23

by Gitesh kumar Garg

7.2k Points

0 Votes

1 Answer 9 Views

An article was sold in Rs. 150 at a profit of Rs. 10 . Find its C.P.

Gitesh kumar Garg Answered in Mathematics Mar 23

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 17 Views

A man bought $15 \mathrm{~kg}$ of milk at Rs. 7 per kg but $2 \mathrm{~kg}$ of it dropped through a leak. At what price per $\mathrm{kg}$ should he sell the rest to make a total gain of Rs. 64 ?

Gitesh kumar Garg Answered in Mathematics Mar 23

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 28 Views

The average of 11 results is 40 . The average of first 6 results is 44 and that of last 6 results is 36 . Find the 6 th result.

Gitesh kumar Garg Answered in Mathematics Mar 20

by Gitesh kumar Garg

7.2k Points

0 Votes

1 Answer 19 Views

The marks obtained by a student in Maths are 48, 53, 38 and $77 .$ Find their average.

Gitesh kumar Garg Answered in Mathematics Mar 20

by Gitesh kumar Garg

7.2k Points

0 Votes

1 Answer 14 Views

If the average incomes of $A$ and $B$, $B$ and $C$ and $C$ and $A$ are Rs. 190 , Rs. 210 , Rs. 200 respectively, then find the income of $A$.

Gitesh kumar Garg Answered in Mathematics Mar 20

by Gitesh kumar Garg

7.2k Points

0 Votes

1 Answer 18 Views

The average age of 8 persons in a committee is increased by 2 years. When two men aged 35 years and 45 years are substituted by two women. Find the average age of these two women.

Gitesh kumar Garg Answered in Mathematics Mar 20

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 29 Views

A batman makes a score of 85 runs in the 17 th inning and thus increses his average by 3 , then find his average run.

Gitesh kumar Garg Answered in Mathematics Mar 20

by Gitesh kumar Garg

7.2k Points

0 Votes

1 Answer 32 Views

Find the surface area of a sphere whose volume is $4851 \mathrm{~cm}^{3}$.

Gitesh kumar Garg Answered in Mathematics Mar 19

by Gitesh kumar Garg

7.2k Points

0 Votes

1 Answer 18 Views

Find the volume and surface area of a sphere of radius $21 \mathrm{~cm}$.

Gitesh kumar Garg Answered in Mathematics Mar 19

by Gitesh kumar Garg

7.2k Points

0 Votes

1 Answer 17 Views

A hemispherical tank is made up of an iron slieet $1 \mathrm{~cm}$ thick: If the imner radius of the tank is $1 \mathrm{~m}$ then find the volume of iron used in the tank.

Gitesh kumar Garg Answered in Mathematics Mar 19

by Gitesh kumar Garg

7.2k Points

0 Votes

1 Answer 26 Views

Vinod types 540 letters in half an hour, then how many letters will be typed in 6 minutes?

Gitesh kumar Garg Answered in Mathematics Mar 16

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 34 Views

Ankit can do a piece of work in 15 days, then what part of work will be done by Ankit in 1 day?

Gitesh kumar Garg Answered in Mathematics Mar 16

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 26 Views

Find the mean proportional between 4 and 25 .

Gitesh kumar Garg Answered in Mathematics Feb 26

by Gitesh kumar Garg

7.2k Points

2 Votes

1 Answer 22 Views

Rs. 559 is divided into $a, b$ and $c$ in such a way that $2 \times$ part of $a=3 \times$ part of $b=4 \times$ part of $c$, then find the part of $c$.

Gitesh kumar Garg Answered in Mathematics Feb 26

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 34 Views

Parwez (V.P.) has some cocks and goats. If the total numbers of heads and feet are 76 and 212 respectively, then find the number of cocks he has.

Gitesh kumar Garg Answered in Mathematics Feb 26

by Gitesh kumar Garg

7.2k Points

2 Votes

1 Answer 31 Views

The ratio of milk and water in 70 $\mathrm{kg}$ mixture is $3: 2$. If $14 \mathrm{~kg}$ water is mixed with the mixture, then find the ratio of milk and water.

Gitesh kumar Garg Answered in Mathematics Feb 26

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 10 Views

The ratio of the ages of Sachin and Amit is $7: 4$ and the sum of their ages is 33 years, then find the ratio of their ages before 6 years.

Gitesh kumar Garg Answered in Mathematics Feb 26

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 33 Views

The ratio of boys and girls of a school with 504 students is $13: 14$. What will be the new ratio, if 12 more girls are admitted?

Gitesh kumar Garg Answered in Mathematics Feb 26

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 11 Views

A bag contains rupees, fifty paise $\&$ twenty-five paise coins in the proportion $2: 6: 8$. If the total amount is Rs. 210 , then find the number of coins of each kind.

Gitesh kumar Garg Answered in Mathematics Feb 26

by Gitesh kumar Garg

7.2k Points

2 Votes

1 Answer 11 Views

To change $1 \mathrm{~m}^{3}$ into $\mathrm{kg}$, if the weight of $1 \mathrm{~cm}^{3}$ is $4.06 \mathrm{~g}$.

Gitesh kumar Garg Answered in Mathematics Feb 23

by Gitesh kumar Garg

7.2k Points

3 Votes

1 Answer 33 Views

Change $35 \mathrm{~m} / \mathrm{s}$ into $\mathrm{km} / \mathrm{hr}$.

Gitesh kumar Garg Answered in Mathematics Feb 23

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 8 Views

What was the day of the week on 15 August, 1947 ?

Gitesh kumar Garg Answered in Mathematics Feb 23

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 31 Views

If 5 persons can do a piece of work in 10 days, then in how many days 2 persons will complete the work?

Gitesh kumar Garg Answered in Mathematics Feb 23

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 17 Views

Some people finished the work in 40 days. But it will be completed in 30 days when joined 10 people. Find the number of people who were at the starting.

Gitesh kumar Garg Answered in Mathematics Feb 23

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 25 Views

Ram can do a piece of work in 24 days. Shyam is $20 \%$ more efficient than Ram. Find the number of days taken by $B$.

Gitesh kumar Garg Answered in Mathematics Feb 23

by Gitesh kumar Garg

7.2k Points

2 Votes

1 Answer 21 Views

If Ram, Shyam and Anwar can do a piece of work in 12,15 and 20 days. How long will they take to finish it. if they work together?

Gitesh kumar Garg Answered in Mathematics Feb 23

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 12 Views

In a mixture, the ratio of milk and water is $8: 7$. If 11 litres of water is mixed, then the ratio becomes $8: 9$. Find the amount of milk in the initial mixture.

Gitesh kumar Garg Answered in Mathematics Feb 16

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 26 Views

The ratio between two numbers is $7: 9 .$ If each number is increased by 44 , then the ratio becomes $11: 13 .$ Find their difference.

Gitesh kumar Garg Answered in Mathematics Feb 16

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 26 Views

If the price of sugar be increased by $20 \%$, then find by how much percent must its consumption be decreased to keep the expenditure fxed on sugar.

Gitesh kumar Garg Answered in Mathematics Feb 16

by Gitesh kumar Garg

7.2k Points

2 Votes

1 Answer 17 Views

In an examination, $52 \%$ students failed in English and $42 \%$ failed in Maths. If $17 \%$ students failed in both the subjects, then find the percentage of those students who passed in both the subjects.

Gitesh kumar Garg Answered in Mathematics Feb 16

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 23 Views

The ratio between Ram's age and Rahim's age is $4: 5$. Express the age of Rahim in percentage of Ram's age.

Gitesh kumar Garg Answered in Mathematics Feb 16

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 25 Views

Devdatta spends $75 \%$ of his income. If his income is increased by $20 \%$ and he increases his expenditure by $10 \%$, then what percent is the increase in his savings?

Gitesh kumar Garg Answered in Mathematics Feb 16

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 48 Views

In an examination, 240 out of 320 boys passed. Find the percentage of pass.

Gitesh kumar Garg Answered in Mathematics Feb 16

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 32 Views

Express 45 percent into fraction and decimal.

Gitesh kumar Garg Answered in Mathematics Feb 16

by Gitesh kumar Garg

7.2k Points

2 Votes

1 Answer 31 Views

The sum of two numbers is 2490 . If $6.5 \%$ of one number be equal to $8.5 \%$ of the other, then find the numbers.

Gitesh kumar Garg Answered in Mathematics Feb 16

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 15 Views

If Ram purchased 15 mangoes in Rs. 10 and sold them 10 mangoes in Rs. 15 . Find the gain or loss percent.

Gitesh kumar Garg Answered in Mathematics Feb 15

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 28 Views

By selling an article in Rs. 375 , a man gains $25 \%$. In order to loss of $20 \%$, what will be the S.P. of the article ?

Gitesh kumar Garg Answered in Mathematics Feb 15

by Gitesh kumar Garg

7.2k Points

1 Vote

1 Answer 39 Views

If Ram sells an article to Shyam at gain of $20 \%$. Shyam sells it to Mohan at gain of $10 \%$. If C.P. of Mohan is Rs. 660 , then find the C.P. of Ram.

Gitesh kumar Garg Answered in Mathematics Feb 15

by Gitesh kumar Garg

7.2k Points

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