For the following questions answer them individually
If 'A' means '$$+$$', 'B' means '$$-$$', 'C' means '$$\times$$' and 'D' means '$$\div$$', then 81 D 9 C 5 D 15 A 8 B 11 = ?
If $$\frac{\cos \theta}{1 - \sin \theta} + \frac{\cos \theta}{1 + \sin \theta} = 4$$, find the value of $$\theta$$, where $$\theta$$ is acute.
Find the maximum number of children among whom 429 pencils and 715 pens can be equally distributed.
Complete the series.
A, Z, C, X, E, V, G, (...)
If in a certain language 'SALE' is coded as 'PAIE', how is 'CASUAL' coded in that code?
If in a certain language, 'oka peru' means 'fine cloth', 'meta lisa' means 'clear water' and 'dona lisa peru' means 'fine clear weather', what word in that language mean 'weather'?
A work is completed by P and Q working together 8 hours perday. Working 8 hours a day P alone will take 12 days to complete work, while working alone Q will take 10 days working 12 hoursa day,to complete it. In how manydays did they complete the work together?
What do we do to reduce friction while playing carrom?
A man takes twice as long to go upstream as to row downstream. What is the ratio of speed of boat in still water and the speed of stream?
Find the ODD one out from the given options.