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warnar
Questions (28)
Sri Ram paid ₨. 200 for a machine. At the end of 7th year it was valued at ₨.95. Assuming the yearly depreciation a constant
2 answers
636 views
The cost of drilling a tubewell is ₨. 2.50 per foot for the first 100 feet and an additional Re. 0.25 for every subsequent
2 answers
1,777 views
a perso buys national savings certificate values exceeding of the last years purchase by ₨.100.after 12 year he finds that the
3 answers
540 views
find the sum of the series 1-2+3-4+5-6+...to n terms.
1 answer
414 views
find the least value of n such that 2+5+8+11+....to n terms > 200.
4 answers
927 views
2+3+5+6+8+9+....+(3n-1)+(3n)
1 answer
1,185 views
1.2.3+2.3.5+3.4.7+...to n terms
1 answer
257 views
1^3+3^3+5^3+....to n terms.
0 answers
260 views
find the sum of n arithmetic means between x and 3x
1 answer
331 views
the sum of four terms of an a.p. is 4 and the sum of product of first and last term and product of middle terms in -38, then
1 answer
650 views
the sides of a right angled triangle are in a.p.,prove that they are in the ratio of 3,4,5.
1 answer
397 views
1.2.3.+2.3.5+3.4.7+...to n terms.
1 answer
234 views
find the sum of the series,if the number of terms is infinite:
1/2.4+1/4.6/+1/6.8+1/8.10+.... sir answer 1/4
1 answer
1,035 views
(x^3+yx^3)xy=x^5-y^5
3 answers
380 views
1+ 1/1+2+ 1/1+2+3....to n terms.
3 answers
437 views
find the sum of n arithmetic means between x and 3x.
(answer 2nx)
1 answer
713 views
the sum of n terms of an a.p. is 3n^2+2n, then find its pth term.
(answer 6p-1)
0 answers
475 views
1.3+3.5+5.7+......to n terms.
sir this question answer 1/3n(4n^2+6n-1)
1 answer
449 views
n harmonic means have been inserted between 1 and 4 such that first meant:last mean=1:3,find n.
2 answers
1,188 views
the arithmetic mean of two numbers exceeds the geometric mean by 3/2 and geometric mean excceeds the harmonic mean by 6/5. find
4 answers
817 views
find the h.p. whose 6th term is 1 and 10th term is 5. find 15th term of the series also.
1 answer
2,472 views
find the fourth term of the series 4,5,6 2/3.
1 answer
703 views
find the n th term of the series 5/2+20/13+10/9+20/23..... .
2 answers
7,171 views
find the 7th terms of the series 1/3+8/23+4/11.....
3 answers
3,251 views
if a is the g.m. of 2 and 1/4, then find a.
1 answer
602 views
insert 6 g.m.s between 8/27 and -5 1/16.
2 answers
1,091 views
find the sequence whose n th term is 1/3n-2. is this sequence an H.P.?
2 answers
903 views
The ratio of the fourth and 12th term of a g.p. With positive common ratio is 1:256. If the difference of two terms be 61.2,
4 answers
1,997 views
Answers (7)
please sir
5x^4-4x^3,y-y^4/x^4+4xy^3+5y^4 answer
sir answer this question 2n/n+1
i don't understand please help me any other examples
answer 3 and 12
sir this question answer 2 and 12
Please sir
