Quantitative Aptitude - Arithmetic Ability Questions

If y=2-x1+x, then what is the value of 1y+1 + 2y+1y2-1 ?

The volume of a cube is 166.375 cm3. Find its side (in cm).

Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?

Weight of Ayush and Abhishek are in the ratio of 6:11. Abhishek's weight increases by 25% and total weight of Ayush and Abhishek both increases by 40%. If total weight becomes 119 kg, then wat is the weight (in kg) of Ayush after the increment?

Find the LCM of 12, 16, 20 and 24.

If Cot θ = 21/20, then what is the value of Cosec θ?

Product of three consecutive odd numbers is 1287. What is the largest of the three numbers?

In what time(in years) will Rs. 8000 amount to Rs. 9261 at 5% per annum, compounded annually?