Forum

Arithematic Progressions

The famous mathematician associated with finding the sum of the first 100 natu- ral numbers is

(A)  Pythagoras (B) Newton (C)  Gauss (D) Euclid

08/11/2024

Mathematics

10th

Arithematic Progressions

The 4th term from the end of the AP: –11, –8, –5, …, 49 is

(A)  37 (B)  40 (C)  43 (D)  58

08/11/2024

Mathematics

10th

Arithematic Progressions

If 7 times the 7th term of an AP is equal to 11 times its 11th term, then its 18th term will be

(A)  7 (B)   11 (C)  18 (D)  0

08/11/2024

Mathematics

10th

Arithematic Progressions

 Two APs have the same common difference. The first term of one of these is –1 and that of the other is – 8. Then the difference between their 4th terms is

(A)  –1 (B) – 8 (C)  7 (D)  –9

08/11/2024

Mathematics

10th

Arithematic Progressions

What is the common difference of an AP in which a18 – a14 = 32?

(A)  8 (B) – 8 (C)  – 4 (D)  4

08/11/2024

Mathematics

10th

Arithematic Progressions

If the common difference of an AP is 5, then what is a18 – a13

(A)  5 (B) 20 (C)  25 (D)  30

08/11/2024

Mathematics

10th

Arithematic Progressions

Which term of the AP: 21, 42, 63, 84,…  is 210?

(A)  9th (B)  10th (C) 11th (D)  12th

08/11/2024

Mathematics

10th

Arithematic Progressions

If the 2nd term of an AP is 13 and the 5th term is 25, what is its 7th term?

(A)  30 (B) 33 (C)  37 (D)  38

08/11/2024

Mathematics

10th

Arithematic Progressions

The 21st term of the AP whose first two terms are –3 and 4 is

(A)  17 (B)  137 (C)  143 (D)  –143

08/11/2024

Mathematics

10th

Arithematic Progressions

The first four terms of an AP, whose first term is –2 and the common difference is –2, are

(A) – 2, 0, 2, 4

(B) – 2, 4, – 8, 16

(C) – 2, – 4, – 6, – 8

(D) – 2, – 4, – 8, –16

08/11/2024

Mathematics

10th