Quantitative Aptitude - Arithmetic Ability Questions

The average height of 50 bats is 126 cm. Some bats of average height 120 cm are removed. If the new average height is 130 cm, then how many bats are remaining?

Which of the following quadratic equations has real roots?

The ratio of two numbers is 6 : 11 and their difference is 65. What will be the smaller number among both the numbers?

Two students appeared for an examination. One of them secured 16 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are

Akash's monthly income is Rs. 9600. His monthly expenditure is 60% of his income. What is his saving per month?

In the following question, select the odd word from the given alternatives.

In ΔABC, AC = BC and ∠ABC = 50°, the side BC is produced to D so that BC = CD then the value of ∠BAD is

In a triangle PQR, ∠PQR = 90 deg, PQ = 10 cm and PR = 26 cm, then what is the value (in cm) of inradius of incircle?