A small terrace at a football ground comprises of 15 steps each of which is 50 m


1

1933

March 30, 2019

The houses of a row are numbered consecutively from 1 to 49


1

2278

March 30, 2019

A ladder has rungs 25 cm apart. The rungs decrease uniformly in length from 45 cm


1

1559

March 30, 2019

The sum of the third term and the seventh term of an AP is 6 and their product is 8


1

1835

March 30, 2019

Which term of the AP: 121, 117. 113, ….., is its first negative term?


1

1796

March 30, 2019

In a potato race, a bucket is placed at the starting point, which is 5 m from the first potato,


1

1943

March 30, 2019

200 logs are stacked in the following manner 20 logs in the bottom row, 19 in the next row,


1

2140

March 30, 2019

A spiral is made up of successive semicircles, with centres alternately at A and B,


1

1387

March 30, 2019

In a school, students thought of planting trees in and around the school to reduce air pollution


1

1719

March 30, 2019

A sum of ₹ 700 is to be used to give seven cash prizes to students of a school


1

1276

March 30, 2019

A contract on construction job specifies a penalty for delay of completion


1

1206

March 30, 2019

Find the sum of the odd numbers between 0 and 50


1

2006

March 30, 2019

Find the sum of the first 15 multiples of 8


1

1559

March 30, 2019

Find the sum of the first 40 positive integers divisible by 6


1

1095

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

2977

March 30, 2019

Show that a1, a2, ……. an,…… form an AP where an is defined as below:


1

2926

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

2567

March 30, 2019

Find the sum of first 51 terms of an AP whose second and third terms


1

781

March 30, 2019

Find the sum of first 22 terms of an AP in which d = 7 and 22nd term is 149


1

1520

March 30, 2019

The first and the last terms of an AP are 17 and 350 respectively


1

395

March 30, 2019

The first term of an AP is 5, the last term is 45 and the sum is 400


1

2509

March 30, 2019

How many terms of AP: 9, 17, 25, … must be taken to give a sum of 636?


1

1719

March 30, 2019

In an AP:(i) given a = 5, d = 3, an = 50, find n and Sn


1

4980

March 30, 2019

Find the sums given below:


1

1037

March 30, 2019

Ramkali saved ₹ 5 in the first week of a year and then increased her weekly saving by ₹ 1.75


1

1271

March 30, 2019

Subba Rao started work in 1995 at an annual salary of ₹ 5000 and received an increment of


1

1466

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

2549

March 30, 2019

Find the 20th term from the last term of the AP: 3, 8, 13, …, 253


1

1632

March 30, 2019

Determine the AP whose 3rd term is 16 and 7th term exceeds the 5th term by 12


1

2234

March 30, 2019

For what value of n, the nth term of two APs: 63, 65, 61,… and 3, 10, 17,… are equal?


1

1237

March 30, 2019
