## QA – Placement Quizzes | Progressions | Question 15

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 »

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) n2 + 1 (B) n2 – 1 (C) [(n2 + n)/2] * [(n(n+1))/3] (D) (n2 + n)/2… 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 »

A man is watching from the top of a tower a boat speeding away from the tower. The boat makes an angle of depression of… Read More »

A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30° with the man’s… Read More »

From a point P on a level ground, the angle of elevation of the top of a tower is 30 degrees. If the tower is… Read More »

The angle of elevation of the sun, when the length of the shadow of a tree is √3 times the height of the tree, is:… Read More »

The radii of two cones are in the ratio 2:1, their volumes are equal. Find the ratio of their heights. (A) 1:8 (B) 1:4 (C)… Read More »

The volumes of two sphere are in the ratio of 64:27. The ratio of their surface areas is: (A) 1:2 (B) 2:3 (C) 9:16 (D)… Read More »

If three metallic spheres of radii 6 cm, 8 cm and 10 cm are melted to form a single sphere, the diameter of the new… Read More »

A solid piece of iron of dimensions 49 * 33 * 24 cm³ is molded into a sphere. The radius of the sphere is: (A)… Read More »