The 50th term is 1000, and the common difference is 6. Find the first and second terms.

Q: Find the 2 missing terms

A: In this question we are given with geometric series and we have to find the missing terms which we…

Q: Manny is three times as old as Andre now. Four years ago, he was four times as old as Andre was at…

A: We want to find how old is Andre.

Q: 120. Petra and Dawn are typesetters for a publishing company. Petra can typeset 50 pages in 4 days…

A: Unitary method is used to solve such problems.

Q: The sum of 5th and 9th terms of an AP is 72 and the sum of 7th and 12th term is 97.find the AP

A:

Q: In a GP the 8th term is 384 and the 3rd term is 12. Find the sum of the first 10 terms

A:

Q: In a room with 10 people, everyone shakes hands with everybody else exactly once. How many…

A: Solution, If in a room  ,10 people shake hands with each other…. 1st  person will shake hand with 9…

Q: How much is 68.7% of 2.5

A: Hint:  1. Convert 68.7 into fraction. 2. Multiply and mutiply the fraction with 2.5 You'll get the…

Q: Find the 8th term from the end of the AP  7 , 10 , 13 , ...,184

A:

Q: The perimeter of an isosceles triangle is 68cm. How many of such triangles can be formed if the…

A:

Q: 8. Find the four consecutive numbers whose sum is 74

A:

Q: What is the 6tht term in the

A:

Q: Find the common ratio and write the next three terms. 12, -6, 3, -3/2, __ , __ , ___

A:

Q: n= 1 2. 3. 8.

A: We have to find the terms

Q: If the 8th term of an AP is 31 and the 15th term is 16 more than th 11th term ,find the AP

A:

Q: Write fraction -4/25 as a terminating decimal

A: -0.16

Q: Adding ____ is the same thing as adding 10 and subtracting ——

A: Let the number in bracket be x and y. hence adding x is same thing as adding 10 and subracting y.

Q: Find all ways how to rewrite fraction as the sum of two fractions with 1 as the numerators and the…

A: Assume 1x+1y=16 where x and y are natural numbers.   Solving,x+yxy=166x + 6y = xy

Q: If the 8th term of AP is 31 and the 15th term is 16 more than the 11th term ,find the AP.

A:

Q: an AP the 4th Term is 23 and the 11th Term is 58. What is the sum of the first twenty terms?

A: We  have to check

Q: Olivia reads 2/5 of her book on Monday and on Tuesday she reads 1/6 of what is remaining and then on…

A: To calculate the number of pages

Q: In a GP the 6th term is 16 and the 3rd term is 128. Find the sum of the first 10 terms and the sum…

A: A geometric progression or a geometric sequence is a sequence of non zero numbers, where each terms…

Q: In a GP the 6th term is 972 and the 3rd term is 36. Find the sum of the first 10 terms

A: It is an important part of statistics. It is widely used.

Q: 5. The sum of the first three terms of an AP is -3 while the sum of the first five terms is 10. What…

A: According to our guideline, we are allowed to do only first question in the or first 3 parts in a…

Q: Two A.P's have the same common difference.The difference between their 100* terms is 111 222…

A:

Q: If the first term and last term of an AP are 17 and 350 respectively,If the commom difference is…

A: The nth term of an A.P with first term a and common difference d is given by; an=a+(n-1)d Therefore…

Q: How do you find the first 5 terms?

A: Given, a7= 128 a10= 1024

Q: The doctor advised Peter to take the medicine after every 50 minutes 1800 seconds. How many times…

A:

Q: Find the 39th term where the 4th term is -8 and d=5.

A: Simply use the formula for the nth term of an AP .

Q: How many second does it take for the platform to go from 3:00 to 7:00

A:

Q: How many times did you write the digit 4 if you write down all the numbers from 1 to a million?

A: 1 million =1000000

Q: The sum if a two digit number and the number obtained by reversing its digits is 121 . Find the…

A:

Q: In an AP the 9th term is 2 times the 4th term and the 12th term is 78. What is the sum of the first…

A:

Q: If the 10th term of  an AP is 52 and 17th term is 20 more than the 13th term find the AP

A:

Q: What number multiplied by the numerator and added to the denominator of makes the resulting fraction…

A: The given number is 45 and the resulting fraction is 32

Q: In an AP the 4th Term is 23 and the 11th Term is 58. What is the sum of the first twenty terms?

A: First find first term and common difference Then use summation formula

Q: Which number completes the Pythagorean Triple of 9, 12, x?

A: Pythagorean triple of 9, 12, x

Q: A scientist was in a submarine below sea level, studying ocean life. Over the next ten minutes, she…

A: Let the initial depth of the scientist below sea level be x ft.   Later she descends 75.3 ft in the…

Q: 75 is the sum of 24 and Ricks savings.

A: Let the Rick saving be x.

Q: In an AP the 9 th Term is 2 times the 4 th Term and the 12th Term is 78. What is the sum of the…

A: In an AP, The 9th term is 2 times the 4th term.   The 12th Term is 78. The sum of the first twenty…

Q: Six is 2/3 of what number?

A:

Q: In an AP the 9th Term is 73 and the 4th Term is 43. What is the sum of the first twenty terms?

A: Given in an AP a9=73 and a4=43 To find S20=?

Q: In an AP the first term is 8 , nth term is 33 and the sum of first n terms is 123 . Find n and d

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Q: In the fraction 12/35 the number 12 is called the numerator and the number is 35 is called the

A:

Q: Find the next two terms before 770twelve

A: We have to find the two terms before TT0twelve  Concept Used- "T" in duodecimal (base-12) represents…

Q: Louis is 6years older than kerin and kerin is 4 years older than john.the sum of their ages is…

A: Using algebra & given condition.

Q: Simplify. (In the fraction assu ху + 8 2y

A: Given that  (xy+8)/2y  Assume that denominator is 0.

Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.