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Class 7

Maths

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Class 7 Maths Question Answers

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Class 7 Maths Q&A: Make Math Your Strength

Unlock the power of numbers with our Class 7 Maths Question and Answer sets. From mastering algebra and geometry to solving tricky word problems, our Q&A pages guide you step-by-step to help you ace every question.

📌 What You’ll Find:

Concept-Based Questions: Strengthen your understanding of key concepts.
Problem Solving: Learn step-by-step solutions to tough problems.
Mental Maths Challenges: Test your quick-thinking skills.
Activity-Based Questions: Explore fun and practical learning exercises.

🔗 Explore Class 7 Maths Questions from the below listing

Class 7 Maths Question Answers

Amina thinks a number and subtracts $\\dfrac{5}{2}$ from it. She multiplies the result with 8. The result now obtained is 3 times the same number she thought of what is the number.

A train travelled $720\\text{ km}$ in $20$ hours. Find its speed.

Why is it better to use a divider than a rule while measuring the segment?

Evaluate the following equation \\[{a^2} - {b^2} - {({a^{}} + b)^2}\\]

Check whether 357 is divisible by 17 or not.

A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together they can finish the work in 2 days. B can do the work alone in (a) 3 days (b) 7 days (c) 4 days (d) 6 days

How many 3 digit numbers are there with distinct digits with each of the digits odd?

A surahi is a combination of-A. Sphere and cylinderB. Hemisphere and cylinderC. Two hemispheresD. Cylinder and cone

A jar full of whisky contains 40% alcohol. A part of Whisky is replaced by another containing 19% of alcohol and now the percentage of alcohol is found to be 26%. If the quantity of whisky replaced is k. Find 3k.

Assuming that the earth describes in one year a circle of 92500000 miles radius whose centre is the sun how many miles does the earth travels in a year?

A boy read $\\dfrac{{{3}^{th}}}{8}$ of a book on one day and $\\dfrac{{{4}^{th}}}{5}$ of the remaining on another day. If there were 30 pages unread how many pages did the book contain?

A piece of rod (7\/8) meter long is broken into two pieces. One piece was (1\/4) meter long. How long is the other piece?

A man covers a certain distance by car driving at 70 km\/hr and he returns to the starting point riding on a scooter at 55 km\/hr. Find his average speed for the whole journey.A. 62.5 km\/hrB. 62.8 km\/hrC. 63.6 km\/hrD. 64.6 km\/hr

Define radius and the terms needed to define radius.

A person by selling an article for Rs. 180 loses 10% In order to make a profit at which he must sell?A) Rs. 210B) Rs. 220C) Rs. 200D) Rs. 230

Fill in the blank: \\[62 66 63 66 64 \\_\\_ 65 ............\\]A. 60B. 61C. 62D. 66

Find \\[15 \\times 68\\] using distributive property.

A tea plucker plucked 4 12 250; 3 34 278 and 2 43 581 tea leaves on three successive days. How many tea leaves did he pluck in all three days?(A) 9 09 109(B) 9 90 109(C) 9 00 109(D) 9 99 109

Fill in the blanks:A polynomial of degree 1 is called a _________________ polynomial.

Find the additive inverse of 5.

A man can complete his work in $24$ days by working $5$ hours a day. How many days will he take to complete the same work; working $8$ hours a day?

A vertical stick 1 m long cast a shadow 50 cm long. At the same time a tower casts a shadow 35cm. Determine the height of the tower.

A bakery bakes cake with the expectation that it will earn a profit of 40% by selling each cake at marked price. But during the delivery to the showroom 16% of cakes were completely damaged and hence could not be sold. 24% of the cakes were slightly damaged and hence could be sold at 80% of the cost price. The remaining 60% of the cakes were sold at marked price. What is the percentage profit in the whole consignment?A. 3.2B. 2.4C. 2.8D. 4.2E. 3.6

An article is sold for Rs.\\[250\\]at a gain of $25\\% $ . Find its cost price.

A football team won 10 matches out of the total number of matches they played. If their win percentage was 40 then how many matches did they play in all?

5 kg of superior quality of sugar is mixed with 25 kg of inferior quality of sugar. The price of superior quality and inferior quality of sugar is Rs.18 and Rs.12 respectively. The average price per kg of the mixture is(A) 13(B) 15(C) 18(D) 21

A 7-digit number starts with ______ place in the Indian system.A.Lakhs\tB.Ten LakhsC.CroresD.Ten Crores

Arun took a loan of Rs. 390625 from Kuber Finance. If the company charges interest at 16% per annum compounded quarterly what amount will discharge his debt after one year?

A bicycle wheel makes 5000 revolutions in making 11 km. Find the circumference and diameter of the wheel.

Convert the following decimals into fraction in the lowest terms.(i) \\[0.375\\] (ii) \\[0.444\\]A.(i) \\[\\dfrac{5}{8}\\] (ii) \\[\\dfrac{{11}}{{25}}\\]B.(i) \\[\\dfrac{5}{8}\\] (ii) \\[\\dfrac{{111}}{{250}}\\]C.(i) \\[\\dfrac{3}{8}\\] (ii) \\[\\dfrac{{11}}{{25}}\\]D.(i) \\[\\dfrac{3}{8}\\] (ii) \\[\\dfrac{{111}}{{250}}\\]

Define what a natural number is.

By what number should ${3^9}$ be multiplied so as to get 3.

Evaluate the value of $ - \\dfrac{4}{7} - \\dfrac{2}{{ - 3}}$ .

What is $113^\\circ F$ in Celsius?A. $35^\\circ C$B. $45^\\circ C$C. $55^\\circ C$D. $65^\\circ C$

What is the common factor of \\[5xy\\] and\\[15{y^2}\\]?A.$5y$B.$x$C.$3$D.${y^2}$

A mobile number consists of ten digits. First four digits are 9 9 7 and 9. Make the smallest mobile number by using only one digit twice from the digits 8 3 5 0 6?

Express 216 as a product of power of prime factors.

Fill in the blank.A number which has only two factors is called a ______.

A small paper clip has a mass of about 1 gram. The paper clip has how many times the mass of the $4.8\\times {{10}^{8}}E$. coli bacteria?

Express $1.3\\overline{2}+0.\\overline{35}$ as a fraction in the simplest form.

2530 soldiers were sent out on a mission. Each army truck could carry a maximum of 55 soldiers. How many army trucks were needed to carry all 2530 soldiers?(a) 44(b) 45(c) 46(d) 47

Find: $ 23 - ( - 12) $

Expand using algebraic identity: \\[{\\left( {b - 7} \\right)^2}\\]

Express each of the following as a fraction in simplest form:A. $ 25\\% $ B. $ 625\\% $ C. $ 33\\dfrac{1}{2}\\% $ D. $ 66\\dfrac{2}{3}\\% $

How do you convert $125\\% $ to a fraction in lowest terms?

Find the cube root of $0.064$

How do you convert \\[0.55555...\\] (\\[5\\] being repeated) to fraction?

How do you factor and simplify ${\\sin ^4}x - {\\cos ^4}x?$

How do you convert \\[7\/25\\] into fraction and decimal?

Find the additive and multiplicative inverse of $ - \\;\\dfrac{8}{3}$

How do you convert $\\dfrac{2}{7}$ into a decimal and percent?

How will you express 2 divided by 8 as a fraction?

How do you convert 29.5 meters per second to kilometers per hour?

Find 18 feet are equal to how many yards?

How much is $63kg$ in pounds?In the given question we have to convert kilogram to pounds. For that we should know how many pounds are equivalent to $1kg$.

How to find dimensions of a rectangle with a perimeter of \\[24\\]m?

How do you divide rational numbers in decimal form?

How do you divide 262 by 9 using long division?

How do you convert $1.19$ ( $9$ being repeated) into a fraction?

How do you convert $0.78023$($023$ repeating) into a fraction?

How do you condense $4\\left[ \\ln z+\\ln \\left( z+5 \\right)-2\\ln \\left( z-5 \\right) \\right]$?

Convert \\[4.6\\] (\\[6\\] being repeated) to a fraction.

A panda eats about 30 kg of bamboo per day. About how many pounds of bamboo will the panda eat in 6 weeks?

A micron is \\[1\\times {{10}^{-6}}\\] metre. How do you write that number and unit in standard form?

Fill the squares with all the numbers from \\[21\\] to\\[29\\]. Given the total of each side is \\[75\\].\n \n \n \n \n

How do you convert $0.\\overline {21} $ to a fraction?

A particular map shows a scale of 1cm: 5km. What would the distance on a map be if the actual distance is 14km?

What is common in the given figure (1) and (2)?Is figure (1) that of the triangle? If not why?\n \n \n \n \n

How do you convert 0.625 into a fraction and percent ?

How do you change $0.244444444$ into fraction?

How do you express $0.00000804$ in scientific notation?

What is $2$ times the square root of $3?$

What is $64\\%$ as a fraction in simplest form?

What is 0.25kilometers expressed in centimeters?

What are all the prime factors of 144?

What is the difference between divisor dividend numerator and denominator?

Find 10 rational numbers between $\\dfrac{3}{5}\\And \\dfrac{5}{12}$ using L.C.M method.

What is a factor of \\[4 - {(x + y)^2}\\] and why?A) \\[ - {(x + y)^2}\\]B) \\[x + y\\]C) \\[2 - x + y\\]D) \\[2 + x + y\\]E) \\[4 + x + y\\]

What are the real-life examples of inverse proportion?

Find out the square root of \\[73\\].

What is a common denominator for \\[\\dfrac{5}{6}\\] and \\[\\dfrac{2}{9}\\]?

What is the difference between proper and improper fractions?

\\[72\\% \\] of \\[25\\] students are good in Mathematics. How many are not good in Mathematics?

Cost of 50 chocolates is Rs. 100 then what is the cost of 1 chocolate?

By what number should $\\left(-30\\right)^{-1}$ be divided to get $6^{-1}$?

Find the area of a square park whose perimeter is $ 320 $ m

A car travels at \\[45km\\] per hour. How much time will it take to cover \\[90km\\] ?1. $1$ hour 2. \\[2\\] hours 3. \\[\\;3\\] hours 4. \\[10\\] hours

8 girls shared \\[\\dfrac{4}{5}\\] of cake equally. What fraction of the cake did each girl receive?

Aneeta bought \\[3\\dfrac{1}{4}\\] kg apples and \\[4\\dfrac{1}{2}\\] kg guava. What is the total weight of fruits purchased by her?

Add without using number line:$\\left( -380 \\right)+\\left( -270 \\right)$

What is to be subtracted from $17.1$to get $2.051$?

Fill in the boxes with the correct symbol of and \\[ \\] \\[ \\] \\[ = \\].\\[\\dfrac{{ - 4}}{3}\\ \\square \\ \\dfrac{{ - 5}}{7}\\]

What are the even composite numbers from $50$ to $80?$

In the given figure \\[ABCD\\] is a parallelogram \\[AE \\bot DC\\] and \\[CF \\bot AD\\]. If \\[AB = 16\\;cm\\] \\[AE = 8\\;cm\\] and \\[CF = 10\\;cm\\] find \\[AD\\].\n \n \n \n \n

Give three examples of shapes with no line of symmetry.

The thickness of a paper is 0.004m and that of another paper is 0.008m . Compare their sizes.$A.$ Paper$ - 1$ is double thicker than paper$ - 2$.$B.$ Thickness of Paper$ - 1$ is half than paper$ - 2$.$C.$ Thickness of Paper$ - 1$ is one fourth than paper$ - 2$.$D.$ Paper$ - 1$ and paper$ - 2$ are both equally thick.

If all the angles of a hexagon are equal. Find the measure of each of its angles.A.${100^ \\circ }$B.${240^ \\circ }$C.${140^ \\circ }$D.${120^ \\circ }$

What could be the possible one’s digits of the square root of 9801?

The curved surface of a right circular cylinder of height 14cm is $88c{m^2}$. Find the diameter of the base of a cylinder.

Show that one and only one out of n n + 2n or n + 4 is divisible by 3 where n is any positive integer.

Practice, Solve, and Succeed in Maths!

Our Q&A pages make math less intimidating and more enjoyable. With regular practice, you can confidently tackle any math problem and score high in exams.

🔍 How It Works:

Choose a topic and explore different question types.
Each solution is explained step-by-step for clarity.
Practice mental math to improve calculation speed.

💡 How It Helps:

Strengthens your understanding of core math concepts.
Builds confidence in problem-solving and logical thinking.
Prepares you for real-world applications of math.

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