Quantitative Aptitude - Arithmetic Ability Questions

If the ratio of cost price and selling price be 10:11, then the profit percentage is

You are given a question and two statements. Identify which of the statements is/are sufficient to answer the question.

Question:

What is the total age of the sisters 10 years from now?

Statements:

1. Lina is 20 years old now.

2. Lina's sister's age is twice that of the age of Lina.

There are a total of 200 students in a school, of which 7/10th are boys. Find the number of girls in the school.

If x = (√2 + 1)/(√2 – 1), then what is the value of (x5 + x4 + x2 + x)/x3 ?

In ΔUVW measure of angle V is 90 deg. If cosecU = 13/12, and UV = 2.5cm, then what is the length (in cm) of side VW?

If P = 5X and Q = X, then P is how much percentage more than Q?

The cross­section of a canal is in the shape of an isosceles trapezium which is 3 m wide at the bottom and 5 m wide at the top. If the depth of the canal is 2 m and it is 110 m long, what is the maximum capacity of this canal? (Take π = 22/7)

What is the value of 143 + 163 + 183 + ... + 303?