📄 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
📄 GuideUsing the formula tn = a + (n -1) × d, find the nth term of the following arithmetic progressions. Class 9
Using the formula tn = a + (n -1) × d, find the nth term of the following arithmetic progressions. C
📄 GuideVerify that the following sequences are arithmetic progressions and write their nth terms. Class 9
Verify that the following sequences are arithmetic progressions and write their nth terms. Class 9Qu
📄 GuideConsider all the sequences we have discussed so far in this chapter. Which ones are arithmetic progressions Class 9
Consider all the sequences we have discussed so far in this chapter. Which ones are arithmetic progr
📄 GuideCan you predict the number of squares in Stages 5 and 6 of the sequence ? In Stages 10, 11 and 12 Class 9
Can you predict the number of squares in Stages 5 and 6 of the sequence ? In Stages 10, 11 and 12 Cl
📄 GuideLet T1 = 1, T2 = 2, T3 = 4, and Tn = Tn-1 + Tn-2 + Tn-3 for n ≥ 4. Class 9
Let T1 = 1, T2 = 2, T3 = 4, and Tn = Tn-1 + Tn-2 + Tn-3 for n ≥ 4. Class 9Question 1.Let T1 = 1, T2
📄 GuideA sequence is given by the recursive rule t1 = - 5, tn+1 = tn + 3 for n ≥ 1.
A sequence is given by the recursive rule t1 = - 5, tn+1 = tn + 3 for n ≥ 1.Question 1. A sequence i
📄 GuideWhich term of the sequence tn = 5n - 3 for n ≥ 1 is 607? Class 9
Which term of the sequence tn = 5n - 3 for n ≥ 1 is 607? Class 9Question 1. Which term of the sequen
📄 GuideFind the 10th and 15th terms of the sequence tn = 5n - 3 for n ≥ 1. Class 9
Find the 10th and 15th terms of the sequence tn = 5n - 3 for n ≥ 1. Class 9Question 1.Find the 10th
📄 GuideFind the first five terms of the sequence in which the nth term is given by Class 9
Find the first five terms of the sequence in which the nth term is given by Class 9Question 1. Find
📄 GuideCan you find the rule describing the nth term of the sequence of square numbers? Class 9
Can you find the rule describing the nth term of the sequence of square numbers? Class 9Question 1.C
📄 GuideWhy is it useful to have an explicit formula for the nth term of a sequence? Class 9
Why is it useful to have an explicit formula for the nth term of a sequence? Class 9Question 1.Why i
📄 GuideCan you write t5, t6 t7 and t8 for the sequence of triangular numbers? Class 9
Can you write t5, t6 t7 and t8 for the sequence of triangular numbers? Class 9 Question 1.Can you wr
📄 GuideConsider the sequence 1, 4, 7, 10, 13, ....... Can you predict the next four terms? Can you derive the first Class 9
Consider the sequence 1, 4, 7, 10, 13, ....... Can you predict the next four terms? Can you derive t
📄 GuideCan you describe the pattern in each of the above sequences? Can you predict the next few numbers Class 9
Can you describe the pattern in each of the above sequences? Can you predict the next few numbers Cl
📄 GuideSuppose you drop a dye at random on the rectangular region shown in the figure. Class 9
Suppose you drop a dye at random on the rectangular region shown in the figure. Class 9Question 1. S
📄 GuideList the elements of a sample space for the simultaneous tossing of a coin and drawing of a card Class 9
List the elements of a sample space for the simultaneous tossing of a coin and drawing of a card Cla
📄 GuideA box contains 4 balls numbered 1 to 4. Record a sample space using a tree diagram for the following experiments: Class 9
A box contains 4 balls numbered 1 to 4. Record a sample space using a tree diagram for the following
📄 GuideWrite the sample space and calculate the probability based on the given information. Class 9
Write the sample space and calculate the probability based on the given information. Class 9Question
📄 GuideI throw a pair of 6-sided dice. Write down an event that has a probability of 0 and an outcome Class 9
I throw a pair of 6-sided dice. Write down an event that has a probability of 0 and an outcome Class
📄 GuideA basket contains 4 red balls and 5 blue balls. One ball is drawn and laid aside, and a second ball is drawn. Class 9
A basket contains 4 red balls and 5 blue balls. One ball is drawn and laid aside, and a second ball
📄 GuideA game of chance consists of spinning an arrow (see Figure) which comes to rest pointing at one of the numbers Class 9
A game of chance consists of spinning an arrow (see Figure) which comes to rest pointing at one of t
📄 GuideThe letters of the word 'PEACE' are placed on cards. Leela draws a card without looking. Class 9
The letters of the word 'PEACE' are placed on cards. Leela draws a card without looking. Class 9Ques
📄 GuideA tyre company records distances before replacement in 1000 cases. Class 9
A tyre company records distances before replacement in 1000 cases. Class 9Question 1.A tyre company
📄 GuideA child has 2 shirts (one red and one blue) and 3 types of pants (jeans, khakis, and shorts). Class 9
A child has 2 shirts (one red and one blue) and 3 types of pants (jeans, khakis, and shorts). Class
📄 GuideA bag has 3 candies: strawberry, lemon, and mint. One is picked at random. What is the probability Class 9
A bag has 3 candies: strawberry, lemon, and mint. One is picked at random. What is the probability C
📄 GuideWrite the sample space and calculate the probability based on the given information. Class 9
Write the sample space and calculate the probability based on the given information. Class 9Question
📄 GuideWhich of the following experiments have equally likely outcomes? Explain. Class 9
Which of the following experiments have equally likely outcomes? Explain. Class 9Question 1. Which o
📄 GuideFill in the blanks. i. The probability of an impossible event is Class 9
Fill in the blanks. i. The probability of an impossible event is Class 9Question 1.Fill in the blank
📄 GuideLet us say that you have a box containing 3 red pens, 4 black pens and 2 green pens. Class 9
Let us say that you have a box containing 3 red pens, 4 black pens and 2 green pens. Class 9Question
📄 GuideThere are two fruit baskets A and B. Basket A has one apple and two oranges. Basket B Class 9
Question 1.There are two fruit baskets A and B. Basket A has one apple and two oranges. Basket B has
📄 GuideIn a village fair, there are 3 popular snacks available: Samosa, Pakora, and Bhaji. For drinks Class 9
In a village fair, there are 3 popular snacks available: Samosa, Pakora, and Bhaji. For drinks Class
📄 GuideWhen a single 6-sided die is rolled, what is the total number of possible outcomes in the sample space? Class 9
When a single 6-sided die is rolled, what is the total number of possible outcomes in the sample spa
📄 GuideSuppose you roll a 6-sided die 12 times and get a '3' three times. Class 9
Suppose you roll a 6-sided die 12 times and get a '3' three times. Class 9Question 1. Suppose you ro
📄 GuideWhat is the probability of getting an even number when rolling a fair 6-sided die? Class 9
What is the probability of getting an even number when rolling a fair 6-sided die? Class 9Question 1
📄 GuideToss a paper cup into the air 100 times. After each toss record whether the cup lands on its bottom Class 9
Toss a paper cup into the air 100 times. After each toss record whether the cup lands on its bottom
📄 GuideToss a coin 20 times and record the result each time (heads or tails). Class 9
Toss a coin 20 times and record the result each time (heads or tails). Class 9Question 1. Toss a coi
📄 GuideA survey is conducted at a school where a random sample of 40 students is asked about their favourite Club. Class 9
A survey is conducted at a school where a random sample of 40 students is asked about their favourit
📄 GuideA teacher mixes a large bag of sweets of different colours and randomly selects a sample of 30 sweets. Class 9
A teacher mixes a large bag of sweets of different colours and randomly selects a sample of 30 sweet
📄 GuideRank the following events on a scale from 0 (Impossible) to 1 (Certain). Label each event: Impossible Class 9
Rank the following events on a scale from 0 (Impossible) to 1 (Certain). Label each event: Impossibl
📄 GuideUnpredictability can be useful sometimes! For example, in a cricket match, the fact that a coin is tossed Class 9
Unpredictability can be useful sometimes! For example, in a cricket match, the fact that a coin is t
📄 GuideHow would you use the following figure to justify the statement that the sum of the opposite angles of a cyclic Class 9
How would you use the following figure to justify the statement that the sum of the opposite angles
📄 GuideIn a circle, two chords CC' and DD' are drawn perpendicular to a diameter AB. Prove that the segment Class 9
In a circle, two chords CC' and DD' are drawn perpendicular to a diameter AB. Prove that the segment
📄 GuideHow would you use the following figure to justify the statement that the angle in a semicircle is 90°? Class 9
How would you use the following figure to justify the statement that the angle in a semicircle is 90
📄 GuideLet A be any point within a given circle with centre O. Show that the shortest chord of the circle that passes Class 9
Let A be any point within a given circle with centre O. Show that the shortest chord of the circle t
📄 Guide"There is no chord of a circle that is longer than its diameter." How do you justify this statement? Class 9
"There is no chord of a circle that is longer than its diameter." How do you justify this statement?
📄 GuideA quadrilateral MNOP is inscribed in a circle. If MN is a diameter, what can you say about ∠MOP and ∠MNP Class 9
A quadrilateral MNOP is inscribed in a circle. If MN is a diameter, what can you say about ∠MOP and
📄 GuideA regular hexagon is inscribed in a circle of radius r. Find the length of the sides of the hexagon Class 9
A regular hexagon is inscribed in a circle of radius r. Find the length of the sides of the hexagon