# Tag Archives: QA – Placement Quizzes-Progressions

The value of the expression 100∑i=2 1/logi100! is: (A) 0.01 (B) 0.1 (C) 1 (D) 10 Answer: (C) Explanation: The expression 100∑i=2 1/logi100! can be… Read More
Expression 13∑n=11/n can also be written as x/13! What would be the remainder if x is divided by 11? (A) 2 (B) 4 (C) 7… Read More
x, 17, 3x – y2 – 2 and 3x + y2 – 30 are four consecutive terms of an increasing arithmetic sequence. The sum of… Read More
log1010 + log10102 + … + log1010n (A) (B) (C) (D) Answer: (D) Explanation: Rewriting the expression as 1 + 2 + … + n… Read More
The average of 7 consecutive number is P. If the next three numbers are also added, the average shall: (A) Remain unchanged (B) Increase by… Read More
A tennis ball is initially dropped from a height of 180 m. After striking the ground, it rebounds (3/5)th of the height from which it… Read More
If the product of n positive integers is nn, then their sum is: (A) A negative integer (B) Equal to n (C) Equal to n+(1/n)… Read More
Find the AM of series: 10, 7, 4, 1, -2 (A) 13/2 (B) 14/3 (C) 4 (D) 16/5 Answer: (C) Explanation: AM = (a1+a2+a3+……+an)/n =(n(a1+an)/2)/n… Read More
Find the Arithmetic Mean of series: 2, 6, 10, 14, 18, 22, 26, 30. (A) 16 (B) 8 (C) 64 (D) 36 Answer: (A) Explanation:… Read More