Quantitative Aptitude - Arithmetic Ability Questions

What is the value of Cot 45° + Cosec 60°?

What is the value of 13×7+17×11+111×15+...+1899×903 ?

If 51.97 ­ (81.18 -­ x ) ­- 59.39 = 5.268, then value of x will be

sin(A+B) -­ sin(A-­B) is equal to

Select the odd number from the given alternatives.

How many kilometers are there in one metre?

Present age of Anil and Rajesh are in the ratio of 11 : 6 respectively. 9 years ago, their ages were in the ratio of 7 : 3. If the Pankaj’s present age is 1/4 of the Anil’s present age, then what is the Pankaj’s present age (in years)?

If x+5+1x+1=6 then the value of (x+1)3+1(x+1)3 is