Quantitative Aptitude - Arithmetic Ability Questions

What is the value of Sin 60° + (1/2)Cosec 45°?

A boat covers 143 km upstream in 13 hours and the same distance downstream in 11 hours. What is the speed (in km/hr) of the boat in still water?

∆DEF is right angled at E. If cosD = 5/13, then what is the value of tanF?

You have 20 big and 16 small diaries and want to make gift packs containing both in each pack. What is the maximum number of gift packs you can make without any left over?

Select the odd word/letters/number/number pair from the given alternatives.

Select the odd letters from the given alternatives.

In the following question, select the odd letter/letters from the given alternatives.

If a + b = 8 and ab = 15, then what is the value of a3 + b3?