Arithmetic Progression - CBSE Class 10

Arithmetic Progression - CBSE Class 10

by

Salman Nizarudin

Multiple Choice

Find whether -150 is a term of the A.P. 17, 12, 7, 2, … ? (2011D)

• Yes

• No

Multiple Choice

Ramkali required ₹ 500 after 12 weeks to send her daughter to school. She saved ₹ 100 in the first week and increased her weekly saving by ₹2 0 every week. Find her savings after 12 weeks. (2015D)

• 2520

• 520

• 640

• 1420

Multiple Choice

In a school, students decided to plant trees in and around the school to reduce air pollution. It was decided that the number of trees, that each section of each class will plant, will be double of the class in which they are studying. If there are 1 to 12 classes in the school and each class has two Sections, find how many trees were planted by the students. (2014OD)

• 300

• 312

• 200

• 250

BONUS QUESTION 1

The 4th term of an A.P. is zero. Prove that the 25th term of the A.P. is three times its 11th term. (2016OD)

BONUS QUESTION 2

A thief runs with a uniform speed of 100 m/minute. After one minute a policeman runs after the thief to catch him. He goes with a speed of 100 m/minute in the first minute and increases his speed by 10 m/minute every succeeding minute. After how many minutes the policeman will catch the thief. (2016D)