Quantitative Aptitude - Arithmetic Ability Questions

If x + (1/x) = 2, then what is the value of x64 + x121?

Solution A contains 10% acid and solution B contains 30% acid. In what ratio should solution A be mixed with Solution B to obtain a mixture with 25% acid?

Rs. 490 is divided among A, B and C such that A's share is half that of B's and thrice that of C's. What is C's share?

PQRS is a square, M is the mid-point of PQ and N is a point on QR such that NR is two-third of QR. If the area of ΔMQN is 48 cm2 , then what is the length (in cm) of PR ?

In ∆ABC, ∠A = 90°, AD ⊥ BC and AD = BD = 2 cm. The length of CD is

The point P(a, b) is first reflected in origin to P1 and P1 is reflected in Y-axis to (4, -3). What are the co-ordinates of point P?

When a number is increased by 120, it becomes 130% of itself. What is the number?

5 bottles cost as much as 2 bags. The cost of 15 bottles and 4 bags is Rs 2,000. What is the price (in Rs.) of a single bag?