Quantitative Aptitude - Arithmetic Ability Questions

If the shopkeeper sells an item at Rs 1600 which is marked as Rs 2000, then what is the discount he is offering?

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 areas of triangle APQ: triangle ABC is 16:25. Then the ratio of AP:PB is?

When a number is increased by 34, it becomes 117% of itself. What is the number?

If ΔABC is an equilateral triangle of side 16 cm, then the length of altitude is

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48° . The average temperature for Tuesday, Wednesday, Thursday and Friday was 52°, If the temperature on Monday was 42°, then the temperature on Friday was (in degrees)

If the value of √42 is approximately 6.480, then what is the approximate value of √(6/7)?

ΔDEF is right angled at E. If cosD = 8/17, then what is the value of secF ?

If Tan A = 15/8 and Tan B = 7/24, then Cos(A - B) = ?