Learn Quantitative Aptitude Maths in fun way with animation.

Model question one on average age in a five-member family shows how to use averages and age relations to find daughter and grandmother ages and their average.

Solve a three-equation age-ratio problem for father, mother, and son using four-year-ago ratios and present ages; determine the son is 8, the father 36, and the mother 32.

Explore a model question on age ratio and solving to find the difference between B and his daughter C, which is 30 years.

Solve a multi-person age puzzle using three years older and Germany is twice as old as Ramallah, with a total age of 51, to deduce Jelani's age as 24.

Solve a quantitative aptitude problem to find the average age of females using the overall average and the male-to-female age ratio, deriving 35 years.

Solve a quantitative aptitude model question about workforce composition using simple equations to find 2500 male and 1500 female employees, then compute the total male salary as 3.75 crore rupees.

Compute the average cost of a three-variety rice mixture by summing total costs and quantities of varieties one, two, and three.

Explore solving a model question on weekly traffic averages, using the 20 percent difference between Monday to Friday and Saturday to Sunday to calculate the Monday to Friday total.

In a 4,000-employee company, males are 1,000 more than females; with a salary of 15,000 per male, the total male salary equals 37,500,000 rupees.

Analyze a model question about Kavya's marks in physics, English, maths, and chemistry, each out of 50, showing how x = 10 yields a total score of 110.

Analyze a bar graph of a company's 2003 expenditures across infrastructure, transport, advertisement, taxes, R&D, salary, and interest on loans, then solve total-expenditure and percentage-based ratio questions.

Analyze a two-year bar chart of book sales across six branches for 2003 and 2004. Compute branch totals, ratios, and average sales from the data.

Analyze a bar graph of five cosmetic products: lipsticks, nail enamel, talcum powder, samples, and conditioners, to compare 2005 and 2010 sales, compute percent changes and ratios.

solve a river boat problem by using downstream and upstream speeds with the stream speed to determine the boat's speed in still water, yielding x equals twenty four.

Compute total distance: downstream at 18 km/h for 4 hours, upstream at 6 km/h for 5 hours, with still-water speed 12 km/h and stream speed 6 km/h, equals 102 kilometres.

Compute upstream and downstream speeds from a boat's still-water speed of 20 km/h and a stream speed of 8 km/h, yielding 12 and 28 km/h.

Compute downstream and upstream speeds from distance and time, then average them to find the still-water speed; downstream 20 km/h and upstream 10 km/h yield 15 km/h.

Learn to find the stream speed in a 72 km downstream/upstream problem solved in 15 hours, using a 3:2 downstream/upstream speed ratio to get 2 km/h.

Utilize downstream and upstream speeds to determine the man's speed in still water (9 km/h) and the stream's speed (2 km/h), as in model question 13, option B.

Compute the boat's speed in still water from downstream and upstream times for a 40 km trip; determine that the still water speed is 15 km/h (option c).

Compute the average speed for a traveler across boat, train, bus, and car legs using given distances and speeds. Apply total distance over total time to arrive at 57.33 km/h.

Solve a river boat speed problem by using downstream speed 36 km/h and upstream speed 12 km/h, set total time to two hours, and find the distance as 108 kilometres.

Calculate the journey time for a boat with still water speed 12 km/h and current 8 km/h, traveling 1/25 km upstream then downstream, yielding 43 minutes 12 seconds.

Apply downstream and upstream speed concepts to a 30-km swim: with a 10 km/h current, the upstream time for the same distance is 45 minutes.

Solve a bankers discount problem to determine rate percent when bankers gain over one and a half years equals three by twenty-five of discount, yielding 9 1/11 percent.

Explore the relationship between bankers discount and true discount at 15 percent per annum and determine the time, four months, using the given data.

Compute the present worth of a 540 rupee bill with a 90 rupee true discount, apply simple interest, and identify the bankers discount to select the correct option.

Apply true discount and the bankers gain formula to compute the bankers gain on a 3200 rupee due sum with an 80 rupee true discount.

Solve a model question on gcd and lcm, using gcd 23 and lcm factors 13 and 14, to identify the larger number as 322.

solve a model question: two numbers have a product of 7700, and one number is 275; divide 7700 by 275 to find the other number, 28.

Compute two numbers with sum 55 and product 600, then find the sum of their reciprocals as 11/120.

determine how many times two tumblers of 200 ml and 250 ml fill a 9 liters port, using a combined capacity of 450 ml per use; conclude 20 uses.

Determine the price of the second sugar variety in a two-variety mix when the average sale price is 32 rupees, yielding 36 rupees for the second variety.

Determine the salt-to-water ratio in vessel C after transferring one fourth of alloy A and half of alloy B from equal volumes, where A is 5:6 and B is 2:3.

Solve a model question on mixing two varieties of sugar, compute blended selling price with 28% gain, and determine amount of variety 1 for 20 kg of variety 2.

compute how many liters of water to add to a 40-liter water–sugar mix in a 3:5 ratio to achieve 30 percent sugar, resulting in adding 10 liters.

Solve a milk and honey mixture problem: replace 5 litres of the 25-litre mix (ratio 3:2) with pure milk to obtain a 17:8 milk-to-honey ratio.

Solve a sugar and rubber mixing problem by replacing x cages with sugar in a 120-cage container with ratio 5:3, to achieve equal proportions; x equals 24.

This lecture solves a mixing problem with 20 percent gain, showing water to vine ratio of 1:5; in 30 liters, water is 5 liters, so the answer is 5 liters.

This question uses relations among x, white, and z to solve for x, given x is 120% of white and white is 20% less than z, with x−z equals 70.

Apply percentage and fraction logic in a model question to find y as 100 and x as 35, then compute the difference 65.

Four consecutive numbers sum to 178, giving 43, 44, 45, 46. The highest is 46, and the third two-digit prime is 17, squared to 289, yielding 335.

Determine the minimum amount to add to 546764 so the result is divisible by 18, using divisibility by 2 and 9 and digit-sum checks.

learn to compute averages of five consecutive odd numbers and six consecutive even numbers with algebra, then solve for the smallest even and largest odd terms in a model question.

Calculate profit shares among three investors using capital-time ratios; total profit 15400 rupees, yielding 11200 and 2100 rupees shares, for a combined 13300 rupees.

calculate the end-of-year profit ratio for Bobby and Kobe given an initial 2:3 investment, with Kobe withdrawing one third after six months, resulting in a final profit split.

Calculate end-of-year profit shares for a three-partner partnership with initial capitals of 23k and 13k, a new partner contributing 18k (the average of 23k and 13k), resulting in 251:426:140.