Quantitative Aptitude - Arithmetic Ability Questions

What is the unit digit of 15+25+35+...+205 ?

1/8 th of the audience of a program Jabardast were children, 2/5th of the audience were men and the rest women. If the number of women audience is 380, find the total number of audience in the program?

For x = 462+3, what is the value of x+22x-22+x+23x-23

The Simplified form of (b3x2a4z3)*(b4x3a3z2)/(a2b4z3) is

The ratio of number of boys and girls in a school of 720 students is 7 : 5 . How many more girls should be admitted to make the ratio 1 : 1 ?

If 2 cos θ = 2 – sin θ, then what is the value of cos θ?

The length of the diagonal and the breadth of a rectangle are 25 cm and 7 cm respectively. Find its perimeter (in cm).

If πsinθ= 1, πcosθ= 1, then (3tan 23θ+1) is