Quantitative an...

AP is tangent at point P to the circle with centre O and diameter BC. If AP = 20 and AB = 10, what is the length of AO?

Ashim is creating a mathematical quiz for his students. He is thinking of a geometric progression in which the third term is 16 and the sixth term is twice the square of the second term. What is the eleventh term in this geometric progression?

In the following question, two equations numbered land Il are given. You have to solve both the equations and give answer if

There are two bags A and B. Bag A contains 6 red balls and 10 green balls and Bag B contains 4 red balls and 6 green balls. One bag is selected at random. From the selected bag one ball is drawn at random. What is the probability that the ball drawn is red?

An iron cube of size 10 cm is hammered into a rectangular sheet of thickness 0.5 cm. If the sides of the sheet be in the ratio 1 : 5, then the sides are

X₁, X₂, X₃, X₄, X₅, X₆, X₇ are 7 natural numbers. The median and mode of the given set of observations are 14 and 12 respectively. The mean of the given observation is 19. X₄ is the median. No two scores above the median are similar

What can be the minimum value of X₇?

What is the equation of a circle centre (2, 3) and radius equal to 11?

In Peepal Tree School, the ratio of the number of students in Junior KG to Senior KG is 7 : 5. The ratio of (the number of) Junior KG Boys to Junior KG girls is 3 : 2. The ratio of number of Senior KG boys to Senior KG girls is 4 : 3. What is the ratio of Junior KG boys to Senior KG girls?

A alone can complete a work in 20 days, B alone can complete the same work in 30 days and C alone can complete the same work in 60 days. They work together for some time, then A and B left the work. If C completes the remaining work in 6 days, then A and B work for?