Maths
Arrange the fractions 3/5, 4/7, 2/3, 5/9 in ascending order.
Simplify: (2 1/2 + 3.6) - 1.9
Evaluate: 7 1/4 - [5/6 ÷ {1/3 - (1/2 × (3/4 - 1/4))}]
Ratio of proficient in Python to Java. Both: 50, Python only: 70, Java only: 60.
Arvind invests 80000. Bhavin joins after 4 months with 120000. Chandan joins after 8 months with 160000. Total profit 105000. Chandan's share?
A invests 80,000 for 9 months, B invests 1,20,000 for 6 months. B's share of 45,000 profit?
Average of all integers between 100 and 250 exactly divisible by 11?
Two oils (90/kg and 150/kg) sold at 144/kg with 20% profit. Ratio of oils?
Flat bought for 8,00,000. Wants 9% annual return after 2,000/month maintenance. Monthly rent?
Amount doubles in 5 years at CI. Years to become 8 times?
Sum becomes 6,600 in 2 years and 7,920 in 3 years at CI. Original principal?
Purchased 25L at 45/L and 15L at 50/L. Sold at 48/L. Total profit/loss?
1200 cars cost 90,000. Donated 200. Rest sold at 10% discount on MP 120, plus 2 free for 8 bought. Overall gain/loss %?
AC marked 80% above CP. Discounts of 25% and 10%. Final SP = 15552. Approximate CP?
40L mixture, juice:water 5:3. Water added to make ratio 2:3?
A is able to complete a task in 15 days, while B takes 20 days to finish the same task. If they collaborate and work together for 4 days, what fraction of the work will still remain?
The average of 15 numbers is 80. The average of the first 6 numbers is 72. The average of the next 6 numbers is 25% more than the average of the first 6 numbers. The 13th number is 8 more than the 15th number, and the 14th number is 10 less than the ...
Three pipes, A, B and C, are capable of filling a tank in 6, 8 and 12 hours, respectively. When all three pipes are opened together, they operate for 2 hours before pipe C is closed. How much additional time will it take to completely fill the tank a...
Train covers distance in 30 mins at 240 km/h. Diverted, distance increases by 20%. Speed to arrive on time?
Two cars, X and Y, start from points 360 km apart and travel at constant speeds. If they move towards each other, they meet in 4 hours. If they move in the same direction, they meet in 12 hours. What is the speed of car X? (Assume X is the faster car...
Pizza radius 21 cm. 75% eaten, remaining area?
Ring disc outer radius 10 cm, inner 7 cm. Ratio of ring area to outer circle?
Bicycle wheel radius 35 cm. % circumference covered in a quarter turn?
Line y=mx+5 passes through (1,8). Find m.
31³ + 18³ - 37³ + 210 is equal to: