Quantitative Aptitude - Arithmetic Ability Questions

Mahesh buys a watch of Rs 300 and sells it. Mahesh gives two successive discount of 15% and 6% to the buyer. What will be the selling price (in Rs) ofthe watch?

Between 50 and 150 how many numbers are divisible by 7?

Sum of twice a fraction and 3 times its reciprocal is 29/3. What is the fraction?

If a + b = 10 and ab = 21, then the value of (a - b)2 is

Points P and Q lie on side AB and AC of triangle ABC respectively such that segment PQ is parallel to side BC. If the ratio of AP:PB is 2:3, and area of Δ APQ is 8 sq cm, what is the area of trapezium PQCB?

In the given figure, AB = 30 cm and CD = 24 cm. What is the value (in cm) of MN?

If √(1+tan2A) = x, then the value of x is

In a class, 60% of children like Mathematics, 45% like Science and 25% like both Mathematics and Science. What is the percentage of children who like at least one subject?