Quantitative Aptitude - Arithmetic Ability Questions

A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is:

What is the value of Sin 30- √2 Cos 30

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

Akash's monthly income is Rs. 9600. His monthly expenditure is 60% of his income. What is his saving per month?

Weight of A and B are in the ratio 11 : 8. A’s weight increases by 40% and the total weight of A and B increases by 30%. What is the percentage increase in the B’s weight?

What is the value of sec -2π/3 ?

ΔDEF is right angled at E. If cosD = 8/17, then what is the value of secF ?

A number exceeds its 1/6 by 30. What is the number?