📄 GuideWhat happens if the parallelogram is "thin" (Fig. 6.18) and the foot of the perpendicular from C to AD Class 9
What happens if the parallelogram is "thin" (Fig. 6.18) and the foot of the perpendicular from C to
📄 GuideThe ratio of the perimeters of two circles is 5 : 4. What is the ratio of their radii? Class 9
The ratio of the perimeters of two circles is 5 : 4. What is the ratio of their radii? Class 9Questi
📄 GuideFind the total perimeter of all the petals in each of the given flowers. Class 9
Find the total perimeter of all the petals in each of the given flowers. Class 9Question 1.Find the
📄 GuideIf the diameter of a car tyre is 56 cm, then: How far does the car need to travel for the tyre Class 9
If the diameter of a car tyre is 56 cm, then: How far does the car need to travel for the tyre Class
📄 GuideFind the perimeters of the following shapes taking the arcs to be quarter or half or three-quarters Class 9
Find the perimeters of the following shapes taking the arcs to be quarter or half or three-quarters
📄 GuideFind the perimeter of a sector (i.e., the curved portion as well as the two straight portions) of a circle Class 9
Find the perimeter of a sector (i.e., the curved portion as well as the two straight portions) of a
📄 GuideCalculate the length of the arc of a circle if: i. the radius is 3.5 cm and the angle at the centre is 60°
Calculate the length of the arc of a circle if: i. the radius is 3.5 cm and the angle at the centre
📄 GuideUnless stated otherwise, use the approximation 22/7 for π. Class 9
Unless stated otherwise, use the approximation 22/7 for π. Class 9Question 1.Unless stated otherwise
📄 GuideIn above figure we see points P and Q, and two paths connecting them. Class 9
In above figure we see points P and Q, and two paths connecting them. Class 9Question 1.In above fig
📄 GuideTwo circles of equal radius are located such that each circle passes through the centre Class 9
Two circles of equal radius are located such that each circle passes through the centre Class 9Quest
📄 GuideWhat is the difference in radius between the first and second lanes? Class 9
What is the difference in radius between the first and second lanes? Class 9Question 1.What is the d
📄 GuideA Closer Look at a 400 m Athletics Track Class 9
A Closer Look at a 400 m Athletics Track Class 9Question 1.A Closer Look at a 400 m Athletics Track
📄 GuideWhat will be the length of a quarter circle with the same radius (Refer given Figure)? Class 9
What will be the length of a quarter circle with the same radius (Refer given Figure)? Class 9Questi
📄 GuideWhat about a circle? What is its perimeter (usually called the circumference) in terms of its diameter? Class 9
What about a circle? What is its perimeter (usually called the circumference) in terms of its diamet
📄 GuideWhat happens to the perimeter of a square if we double its side? Class 9
What happens to the perimeter of a square if we double its side? Class 9Question 1.What happens to t
📄 GuideWhat is the connection between the question about finding what the perimeter Class 9
What is the connection between the question about finding what the perimeter Class 9Question 1.What
📄 GuideIn my school, the playground is too small to have a 400 m track, so the school constructed Class 9
In my school, the playground is too small to have a 400 m track, so the school constructed Class 9Qu
📄 GuideIn Fig. 6.1, you see athletes assembled at the start of a 4 x 100 m relay race. The tracks are laid out Class 9
In Fig. 6.1, you see athletes assembled at the start of a 4 x 100 m relay race. The tracks are laid
📄 GuideSuppose W1 = 1, W2 = 2 and for n > 2, Wn = W1 + W2 + ... + Wn-2 + 2. Find the values of W1, W2,..., W8. Class 9
Suppose W1 = 1, W2 = 2 and for n > 2, Wn = W1 + W2 + ... + Wn-2 + 2. Find the values of W1, W2,..
📄 GuideSuppose P1 = 1, P2 = 2 and for n > 2, Pn = P1 + P2 + ... + Pn-1 + 1. Find the values of P1, P2, ..., P8. Class 9
Suppose P1 = 1, P2 = 2 and for n > 2, Pn = P1 + P2 + ... + Pn-1 + 1. Find the values of P1, P2, .
📄 GuideThe sum of the first three terms of a geometric progression is 26, and the sum of their squares is 364. Class 9
The sum of the first three terms of a geometric progression is 26, and the sum of their squares is 3
📄 GuideIf the 4th, 10th and 16th terms of a GP are x, y and z respectively prove that x, y, z are in GP. Class 9
If the 4th, 10th and 16th terms of a GP are x, y and z respectively prove that x, y, z are in GP. Cl
📄 GuideThe sum of the first three terms of a GP 13/12 is and their product is - 1. Find the common ratio Class 9
The sum of the first three terms of a GP 13/12 is and their product is - 1. Find the common ratio Cl
📄 GuideWhich term of the GP: 2, 8, 32, ... is 131072? Write the explicit formula as well as the recursive formula Class 9
Which term of the GP: 2, 8, 32, ... is 131072? Write the explicit formula as well as the recursive f
📄 GuideFind the smallest value of n such that the sum of the first n natural numbers is greater than 1,000. Class 9
Find the smallest value of n such that the sum of the first n natural numbers is greater than 1,000.
📄 GuideThe sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms Class 9
The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms Class 9Questio
📄 GuideThe number of bacteria in a certain culture doubles every hour. If there were 30 bacteria Class 9
The number of bacteria in a certain culture doubles every hour. If there were 30 bacteria Class 9Que
📄 GuideFind all possible ways of expressing 100 as the sum of consecutive natural numbers. Class 9
Find all possible ways of expressing 100 as the sum of consecutive natural numbers. Class 9Question
📄 GuideFind a GP for which the sum of the first two terms is - 4 and the fifth term is 4 times the third term. Class 9
Find a GP for which the sum of the first two terms is - 4 and the fifth term is 4 times the third te
📄 GuideHow many multiples of 4 lie between 10 and 250? Class 9
How many multiples of 4 lie between 10 and 250? Class 9Question 1. How many multiples of 4 lie betwe
📄 GuideHow many three-digit numbers are divisible by 7? Class 9
How many three-digit numbers are divisible by 7? Class 9Question 1.How many three-digit numbers are
📄 GuideDetermine the AP whose third term is 16 and whose 7th term exceeds the 5th term by 12. Class 9
Determine the AP whose third term is 16 and whose 7th term exceeds the 5th term by 12. Class 9Questi
📄 GuideFind the 31st term of an AP whose 11th term is 38 and 16th term is 73. Class 9
Find the 31st term of an AP whose 11th term is 38 and 16th term is 73. Class 9Question 1.Find the 31
📄 GuideThe given figure shows Stages 0 to 3 of the Sierpinski square carpet. Stage 0 of this fractal Class 9
The given figure shows Stages 0 to 3 of the Sierpinski square carpet. Stage 0 of this fractal Class
📄 GuideWhich term of the sequence 2, 2√2, 4,... is 128? Class 9
Which term of the sequence 2, 2√2, 4,... is 128? Class 9Question 1.Which term of the sequence 2, $2
📄 GuideA ball is dropped from a height of 80 metres. After hitting the ground, it bounces back to 60% of the height Class 9
A ball is dropped from a height of 80 metres. After hitting the ground, it bounces back to 60% of th
📄 GuideA sequence is given by the recursive rule t1 = 2, tn+1 = 3tn-2 for n ≥ 1. Which term of the sequence Class 9
A sequence is given by the recursive rule t1 = 2, tn+1 = 3tn-2 for n ≥ 1. Which term of the sequence
📄 GuideFind the 12th term of a GP with common ratio 2, whose 8th term is 192. Class 9
Find the 12th term of a GP with common ratio 2, whose 8th term is 192. Class 9Question 1. Find the 1
📄 GuideObserve the Sierpiriski triangle and try to answer the following questions a. How many black triangles Class 9
Observe the Sierpiriski triangle and try to answer the following questions a. How many black triangl
📄 GuideCan you find a recursive rule for the formula tn = 3 × 10n-1 that generates the geometric progression Class 9
Can you find a recursive rule for the formula tn = 3 × 10n-1 that generates the geometric progressio
📄 GuideCheck whether the following sequences are geometric progressions and find their nth terms, Class 9
Check whether the following sequences are geometric progressions and find their nth terms, Class 9Qu
📄 GuideCan you predict the number of squares in Stages 5 and 6 of the pattern? In Stages 10,11 and 12? Class 9
Can you predict the number of squares in Stages 5 and 6 of the pattern? In Stages 10,11 and 12? Clas
📄 GuideHarish started work at an annual salary of ₹ 5,00,000 and received an increment of ₹ 20,000 each year. Class 9
Harish started work at an annual salary of ₹ 5,00,000 and received an increment of ₹ 20,000 each yea
📄 GuideHow many 2-digit numbers are divisible by 3? What is the sum of all these 2-digit numbers? Class 9
How many 2-digit numbers are divisible by 3? What is the sum of all these 2-digit numbers? Class 9Qu
📄 GuideAn AP consists of 50 terms in which the 3rd term is 12 and the last term is 106. Find the 29th term. Class 9
An AP consists of 50 terms in which the 3rd term is 12 and the last term is 106. Find the 29th term.
📄 GuideFind the nth term of the AP: 11, 8, 5, 2 ... Write the recursive rule for this AP. Class 9
Find the nth term of the AP: 11, 8, 5, 2 ... Write the recursive rule for this AP. Class 9Question 1
📄 GuideWhich term of the AP: 21, 18, 15, ... is - 81? Also, is 0 a term of this AP? Give reasons for your answer. Class 9
Which term of the AP: 21, 18, 15, ... is - 81? Also, is 0 a term of this AP? Give reasons for your a
📄 GuideFind the 10th and 26th terms of the AP: 3, 8, 13, 18, ...... Class 9
Find the 10th and 26th terms of the AP: 3, 8, 13, 18, ...... Class 9Question 1. Find the 10th and 26
📄 GuideCan you use this formula to find S20, S50 and S1000? Class 9
Can you use this formula to find S20, S50 and S1000? Class 9Question 1.Can you use this formula to f
📄 GuideFind recursive rules for the APs in the previous exercises. Class 9
Find recursive rules for the APs in the previous exercises. Class 9Question 1. Find recursive rules