Bank Math

Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is the distance between points A and D?

In an examination 85% examinees passed in English. If total 75 examinees failed in English, then what is the total number of examinees?

A passenger paid 50% customs duty on accompanied baggage items. He paid another 20% sales tax on the total value of the items plus the custom duty paid. The total custom duty and sales tax is Tk. 350. what is the value of the item custom duty and sales tax?

In a store, shirts are sold for 25% less than the tag price. If a shirt costs Tk.480, what would be the tag price of the shirt to make a 25% profit on its cost?

The electricity bill of a certain establishment is partially fixed and partially varies as the number of units of electricity consumed. When in a certain month 540 units are consumed, the bill is Tk. 1800. In another month 620 units are consumed and the bill is Tk 2040. In yet another month if 500 units are consumed what would be the bill (in Tk) for that month?

At present, father's age is 4 times more than that of his son. 6 years ago father's age was 10 times more than that of his son. What is the present age of father and son?

Amira can type 720 words in sixteen minutes, Raya can type 820 words in 18 minutes and Zunaira can type 798 words in 19 minutes. Who is/are the fastest typist (s)?

A cubical blocks of metal weights 6 pounds. How much will another cube of the same metal weight if its sides are twice as long?

The city library donated some books to a class. If each student takes 4 books, there will be 20 books left. If 3 students do not take a book and the rest of the students take 5 books each, there will be no books left. How many books were donated to the class?

There are two numbers. 1st number is 12 more than the 2nd number. The average of the two numbers is 19. If 2 is added in both numbers, find the ratio of the numbers.

Silver is 17 times as heavy as water and copper is 7 times as heavy as water. In what ratio should these be mixed to get alloy 13 times as heavy as water?

There are 3 green, 4 orange and 5 white colour bulbs in a bag. If a bulb is picked at random, what is the probability of having either a green or a white bulb?

The average (arithmetic mean) of x and y is 20. If z = 5, what is the average of x, y, and z.

If the length of a side of an equilateral triangle is 4cm its height is -

What is the area of a square (in Sq. meter) if its perimeter is 40 meter?

A container is 1/2 full. When 8 gallons is removed the container is 1/10 full. What is the capacity of the container in gallon?

If (2x² + 3x - 5)(x + 2) = ax³ + bx² + cx + d, then ac - bd = ?

Which fraction has the smallest value?

An electric pole casts a √3 m long shadow on the ground at an elevation 60°, the height of the pole is -

What is the greatest possible area of a triangle with one side of length 7 and another side of length 10?