Related InterviewSolutions

• 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
• Which term of the AP: 21, 42, 63, 84,... is 210?(A) 9th (B) 10th (C) 11th (D) 12th
• Find four numbers in AP whose sum is 8 and the sum of whose squares is 216.
• Find the value of the middle most term (s) of the AP : –11, –7, –3,..., 49.
• The sum of first five multiples of 3 is(A) 45 (B) 55 (C) 65 (D) 75
• Which of the following form an AP? Justify your answer.(i) –1, –1, –1, –1, ...(ii) 0, 2, 0, 2, ...(iii) 1, 1, 2, 2, 3, 3,...(iv) 11, 22, 33,...(v)1/2 ,1/3 ,1/4 , ...(vi) 2, 22, 23, 24, ...
• 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
• In an AP, if a = 3.5, d = 0, n = 101, then an will be(A) 0 (B) 3.5 (C) 103.5 (D) 104.5
• 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
• The sum of first 16 terms of the AP: 10, 6, 2,... is(A) –320 (B) 320 (C) –352 (D) –400