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7 questions
Which of the following is a finite A.P? (i) 90,80,70,60, … (ii) a, a ─ 2, a ─ 3, a ─ 4 (iii) 3,5,7,9,11,13
All
(ii) and (iii)
Only (iii)
(i) and (iii)
Which of the following options is true for the given list of numbers? ─1.2, ─5.2,─9.2,─13.2, …
It is an A.P. with common difference ─ 4
It is an A.P. with common difference 4
It is not an A.P.
Determine the First term (a) and the common difference (d) of the A.P. given below: ─ 5, ─ 5, ─ 5, ─ 5, ─ 5, ...
a = ─ 5 d = 5
a = ─ 5 d = 0
a = 5 d = 5
a = ─ 5 d = ─ 5
Anu gets pocket money of Rs. 28 in January, Rs. 35 in February, Rs. 42 in March, and Rs. 49 in April. Does a list of these numbers make an A.P.? If so, what will be her pocket money in June?
It is an A.P. In June, Anu will get Rs. 63
It is an A.P. In June, Anu will get Rs. 56
It is not an A.P.
A farmer borrows Rs 10,000 from a friend and promises to pay back 10% of the balance every month. Make a list of the money he repays every month and state which of the following statements is true?
It is an A.P. with common difference of ─ 1000 Rs.
It is an A.P. with common difference of ─ 100 Rs.
It is an A.P. with common difference of 1000 Rs.
It is not an A.P.
The first four terms of an AP, whose first term is –6 and the common difference is 6, are
─6, 0, 6, 12
─6, ─12, ─18, ─24
─6, 0, 6, ─12
─6, ─12, ─24, ─48
Find x, y and z such that the following numbers are in AP: x, 10, y, 16, z.
x = 15 y = 5 z = 0
x = 5 y = 15 z = 20
x = 7 y = 13 z = 19
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