1.
The sum of
first 14 terms of an A.P. is 1050 and its 14th term is 140. Find the
20th term.
30 Oct 2018
18. How many multiples of 4 lie between 10 and 250?
1.
How many multiples of 4 lie between
10 and 250?
17. Which term of the sequence 3, 8, 13, ……………. Is 78?
1.
Which term of the sequence 3, 8, 13, …………….
Is 78?
16. How many terms of the series 18+15+12+……………. When added give 45?
1.
How many terms of the series 18+15+12+…………….
When added give 45?
15. The 6th term of an A.P. is 16 and the 14th term is 32. Determine the 36th term.
1.
The 6th term of an A.P. is 16 and the 14th
term is 32. Determine the 36th term.
14. Split 207 into three parts such that these parts are in A.p. and the product of the two smaller parts is 4623.
1.
Split 207 into three parts such that these parts are
in A.p. and the product of the two smaller parts is 4623.
13. Divide 96 into four parts which are in A.P. and the ratio between the product of their means and the product of their extremes is 15 : 7.
1.
Divide 96 into four parts which are
in A.P. and the ratio between the product of their means and the product of
their extremes is 15 : 7.
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1. The 6 th term of an A.P. is 16 and the 14 th term is 32. Determine the 36 th term.