Quantitative Aptitude - Arithmetic Ability Questions

What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take π = 22/7)

Find the total surface area (in cm²) of a right circular cylinder of diameter 42 cm and height 14 cm

Δ ABC is right angled at B. If m∠A = 30°, what is the length of AB (in cm), if AC = 10 cm?

Possible length of the three sides of a triangle are :­

What is the value of 643 × 121289 - 169 ?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Of the 3 numbers whose average is 64, the first number is 1/3 times the sum of other 2. The first number is