Classes

First Year Math Sequences and Series


Change the way you learn with Maqsad's classes. Local examples, engaging animations, and instant video solutions keep you on your toes and make learning fun like never before!

Class 9Class 10First YearSecond Year
6.IfSn=n(2n1)thenfindtheseries.6. If S_{n}=n(2 n-1) then find the series.

2. Sum the seriesii) \frac{3}{\sqrt{2}}+2 \sqrt{2}+\frac{5}{\sqrt{2}}+\ldots .+a_{13}
2. Sum the seriesii)  \frac{3}{\sqrt{2}}+2 \sqrt{2}+\frac{5}{\sqrt{2}}+\ldots .+a_{13}

2.Sumtheseriesii)32+22+52+.+a132. Sum the seriesii) \frac{3}{\sqrt{2}}+2 \sqrt{2}+\frac{5}{\sqrt{2}}+\ldots .+a_{13}

18. The sum of the first n terms of two A.P.s are as 13-7 n: 3 n+1 . Find the ratio of their first terms and also of their second terms.
18. The sum of the first  n  terms of two A.P.s are as  13-7 n: 3 n+1 . Find the ratio of their first terms and also of their second terms.

18.ThesumofthefirstntermsoftwoA.P.sareas137n:3n+1.Findtheratiooftheirfirsttermsandalsooftheirsecondterms.18. The sum of the first n terms of two A.P.s are as 13-7 n: 3 n+1 . Find the ratio of their first terms and also of their second terms.

3. A man borrows Rs. 1100 and agree to repay with a total interest of Rs. 230 in 14 installments each installment being less than the preceding by Rs. 10 . What should be his first installment?
3. A man borrows Rs. 1100 and agree to repay with a total interest of Rs. 230 in 14 installments each installment being less than the preceding by Rs. 10 . What should be his first installment?

3.AmanborrowsRs.1100andagreetorepaywithatotalinterestofRs.230in14installmentseachinstallmentbeinglessthantheprecedingbyRs.10.Whatshouldbehisfirstinstallment?3. A man borrows Rs. 1100 and agree to repay with a total interest of Rs. 230 in 14 installments each installment being less than the preceding by Rs. 10 . What should be his first installment?

11. What distance will a ball travel before coming to rest if it is dropped from a height of 75 meters and after each fall it rebounds \frac{2}{5} of the distance it fell?
11. What distance will a ball travel before coming to rest if it is dropped from a height of 75 meters and after each fall it rebounds  \frac{2}{5}  of the distance it fell?

11.Whatdistancewillaballtravelbeforecomingtorestifitisdroppedfromaheightof75metersandaftereachfallitrebounds25ofthedistanceitfell?11. What distance will a ball travel before coming to rest if it is dropped from a height of 75 meters and after each fall it rebounds \frac{2}{5} of the distance it fell?

8. If S_{2} S_{3} S_{5} are the sums of 2 n 3 n 5 n terms of an A.P. show that S_{5}=5\left(S_{3}-S_{2}\right)
8. If  S_{2} S_{3} S_{5}  are the sums of  2 n 3 n 5 n  terms of an A.P. show that  S_{5}=5\left(S_{3}-S_{2}\right)

8.IfS2S3S5arethesumsof2n3n5ntermsofanA.P.showthatS5=5(S3S2)8. If S_{2} S_{3} S_{5} are the sums of 2 n 3 n 5 n terms of an A.P. show that S_{5}=5\left(S_{3}-S_{2}\right)

Q.35 The common ratio of a geometric sequence cannot be(a) 3(b) 1(c) 2(d) 0
Q.35 The common ratio of a geometric sequence cannot be(a) 3(b) 1(c) 2(d) 0

Q.35Thecommonratioofageometricsequencecannotbe(a)3(b)1(c)2(d)0Q.35 The common ratio of a geometric sequence cannot be(a) 3(b) 1(c) 2(d) 0

banner6000+ MCQs with instant video solutions