Bank Math

A room 8 m long, 6 m high and 22.5 cm thick is made up of bricks, each measuring 25 cm × 11.25 cm × 6 cm. The number of bricks required is.

The average of 5 consecutive numbers is n. If the next two numbers are also included, the average will:

The number 3 divides 'a' with a result of 'b' and a reminder of 2. The number 3 divides 'b' with a result of 2 and 'a' reminder of 1. What is the value of 'a'?

Raisa took one cup of half olive-oil and half vinegar and poured it in a jar that had equal parts of olive-oil, vinegar, and water. If the result is a three-cup mixture of salad dressing, what portion of the dressing is olive-oil?

If x is a whole number greater than 1, then x²(x² - 1) is always divisible by?

(10^-15 ÷ 10^-4) = ?

If x is an integer and y = 7x + 5, which of the following CANNOT be a divisor of y?

Which of the following is an equation which graph is a set of points equidistant from the points {0, 0} and {6, 0}?

The length of the train that takes 8 second to pass a pole when it runs at a speed of 36 km/hr is-

Of 3,600 employees of company, 1/3 are clerks. If the clerical staff were to be reduced by 1/3, what percent of the total number of remaining employess would be clerical staff?

The cost price of 19 articles is the same as the selling price of 29 articles. What is the loss percentage?

Quantity in A = (9/13)² and Quantity B = (9/13)^1/2

If a+b = 6 and ab = 16, what is the value of a²+b²?

A farmer has two rectangular fields. The larger field has twice the length and four times the width of the smaller field. If the smaller field has area K, then the area of the larger field is greater than the area of the smaller field by what amount?

If x - y = 3 then what is the value of x³ - y³ − 9xy?

A box contains 200 marbles, 25% of which are of black colour. Babu took some marbles from the box and found that 30% of them are black. Of the remaining marbles, 10% were black marbles. How many marbles did Babu take?

What is the probability of impossible events?

What is the miximum number of 3 × 3 squares that can be formed form the squares in the 6 × 6 checker board to the right?

The distance between cities A and B is 120 miles. A car travels from A to B at 60 miles per hour and returns from B to A along the same route at 40 miles per hour. What is the average speed for the round trip?