Quantitative Aptitude - Arithmetic Ability Questions

Length of the sides of a triangle are a, b, c respectively. If a2 + b2 + c2 = ab +bc + ca then the triangle is

In the series 5442673314884743581,the number of 4s that are completely divisible by the number on their right but not divisible by the number on their left is

Two pipes can fill a cistern in 28 and 21 hours respectively and an another pipe can empty 30 gallons of water per hour. All the three pipes working together can fill the empty cistern in 84 hours. What is the capacity (in gallons) of the cistern?

What is the area of the square, if the length of its diagonal is 13√2 units?

If 2x -3(x + 2) < 5 - 2x < -x + 2, then find the value of x.

A right-angled triangle ABC is right-angled at B, and tan A = 4/3. If AC = 25 cm, the length of BC is

Choose the odd word/letters/number/number pair from the given alternatives.

If (6 ­- 18x) -­ (x ­- 7) = 8, then the value of x is ______.