The number 45789 is divisible by which of the single digit number: 

If sinθ – cosθ = 7/13 and 0⁰ < θ < 90⁰ , then the value of sinθ + cosθ is :

If $${144\over0.144}={14.4\over x}$$, then the value of x is

The average of 12 number is 42. If a 13th number is added, then the average becomes 44. What is the 13th number?

In a factory 60 % of the workers are above 30 years and of these 75 % are males and the rest are females. If there are 1350 male workers above 30 years, the total number of workers in the factory is: 

The number of digits in the square root of 625686734489 is 

Ram spends 20% of his monthly income on his household needs, 15% of the remaining income on books and 30% of the remaining income on clothes. Now he has Rs 9520 left, so what is his monthly income?

What is the simple interest when Rs. 13000 get the interest Rs. 6,370 in the $$ {3{1\over 2}}$$ year?