Exams

Introducing a girl, a boy says, "She is the daughter of my father's only brother­in­law". How is the girl related to the boy?

If Cos θ = 15/17 , then what is the value of Cosec θ?

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

Variety (A)/ is (B)/ spice of life (C)/ No Error (D)

A and B together do a job in 6.75 days and A could do the job in 9 days if he worked alone. How many days would B take to do the job if he worked alone?

S does half as much work as T in 1/7 of the time taken by T. If together they take 21 days to complete a work, then how may days shall S take to complete that work alone?

On dividing 256a2b2c2 by 64a2, we get

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
K, J, L, I, M, ?

Which doctor performs colonoscopy?