Sequences & Series Mock Tests

In a group of 23 people, the probability that at least 2 have the same birthday (ignoring leap years) is approximately:

A train 150 m long passes a pole in 15 seconds. Its speed in km/hr is:

The probability of getting a head when a fair coin is tossed is:

The distance of the point (1, 2, 3) from the origin is:

The following sentence appears in a business report: "The marketing team launched a new advertising campaign, however, sales figures did not show the expected increase during the first quarter." Which version of the underlined portion corrects the sentence error while maintaining the original meaning?

What is the average of 100, 200, and 300?

In this excerpt from a speech on technology: "We often think of technology as a force that changes the world. ______ technology also reflects the values, priorities, and biases of the society that creates it. Every app, algorithm, and device is shaped by the people who design it." Which choice completes the text with the most logical and precise transition?

By the time the first humans set foot on the Moon in 1969, scientists ______ the properties of the lunar surface through decades of observation and robotic missions. Which choice completes the sentence so that it conforms to the conventions of Standard English?