|
A small terrace at a football ground comprises of 15 steps each of which is 50 m
|
|
1
|
2160
|
March 30, 2019
|
|
The houses of a row are numbered consecutively from 1 to 49
|
|
1
|
2598
|
March 30, 2019
|
|
A ladder has rungs 25 cm apart. The rungs decrease uniformly in length from 45 cm
|
|
1
|
1768
|
March 30, 2019
|
|
The sum of the third term and the seventh term of an AP is 6 and their product is 8
|
|
1
|
2188
|
March 30, 2019
|
|
Which term of the AP: 121, 117. 113, ….., is its first negative term?
|
|
1
|
2086
|
March 30, 2019
|
|
In a potato race, a bucket is placed at the starting point, which is 5 m from the first potato,
|
|
1
|
2407
|
March 30, 2019
|
|
200 logs are stacked in the following manner 20 logs in the bottom row, 19 in the next row,
|
|
1
|
2456
|
March 30, 2019
|
|
A spiral is made up of successive semicircles, with centres alternately at A and B,
|
|
1
|
1740
|
March 30, 2019
|
|
In a school, students thought of planting trees in and around the school to reduce air pollution
|
|
1
|
2068
|
March 30, 2019
|
|
A sum of ₹ 700 is to be used to give seven cash prizes to students of a school
|
|
1
|
1639
|
March 30, 2019
|
|
A contract on construction job specifies a penalty for delay of completion
|
|
1
|
1517
|
March 30, 2019
|
|
Find the sum of the odd numbers between 0 and 50
|
|
1
|
2229
|
March 30, 2019
|
|
Find the sum of the first 15 multiples of 8
|
|
1
|
1818
|
March 30, 2019
|
|
Find the sum of the first 40 positive integers divisible by 6
|
|
1
|
1254
|
March 30, 2019
|
|
If the sum of the first n terms of an AP is 4n – n2, what is the first term (that is S1)?
|
|
1
|
3392
|
March 30, 2019
|
|
Show that a1, a2, ……. an,…… form an AP where an is defined as below:
|
|
1
|
3144
|
March 30, 2019
|
|
If the sum of first 7 terms of an AP is 49 and that of 17 terms is 289, find the sum of first n terms
|
|
1
|
3108
|
March 30, 2019
|
|
Find the sum of first 51 terms of an AP whose second and third terms
|
|
1
|
945
|
March 30, 2019
|
|
Find the sum of first 22 terms of an AP in which d = 7 and 22nd term is 149
|
|
1
|
1700
|
March 30, 2019
|
|
The first and the last terms of an AP are 17 and 350 respectively
|
|
1
|
461
|
March 30, 2019
|
|
The first term of an AP is 5, the last term is 45 and the sum is 400
|
|
1
|
2842
|
March 30, 2019
|
|
How many terms of AP: 9, 17, 25, … must be taken to give a sum of 636?
|
|
1
|
1975
|
March 30, 2019
|
|
In an AP:(i) given a = 5, d = 3, an = 50, find n and Sn
|
|
1
|
5511
|
March 30, 2019
|
|
Find the sums given below:
|
|
1
|
1222
|
March 30, 2019
|
|
Ramkali saved ₹ 5 in the first week of a year and then increased her weekly saving by ₹ 1.75
|
|
1
|
1586
|
March 30, 2019
|
|
Subba Rao started work in 1995 at an annual salary of ₹ 5000 and received an increment of
|
|
1
|
1805
|
March 30, 2019
|
|
The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44
|
|
1
|
3190
|
March 30, 2019
|
|
Find the 20th term from the last term of the AP: 3, 8, 13, …, 253
|
|
1
|
1873
|
March 30, 2019
|
|
Determine the AP whose 3rd term is 16 and 7th term exceeds the 5th term by 12
|
|
1
|
2605
|
March 30, 2019
|
|
For what value of n, the nth term of two APs: 63, 65, 61,… and 3, 10, 17,… are equal?
|
|
1
|
1538
|
March 30, 2019
|