Challenger App

No.1 PSC Learning App

1M+ Downloads
A, B and C together invests Rs. 53,000 in a business. A invests Rs. 5,000 more than B and B invests Rs. 6,000 more than C. Out of a total profit of Rs. 31,800, find the share of A.
A, B and C started a business investing amounts of Rs. 13,750, Rs. 16,250 and Rs. 18,750 respectively. lf B's share in the profit earned by them is Rs. 5,200. what is the difference in the profit (in Rs.) earned by A and C ?
A, B, C subscribe a sum of Rs. 75,500 for a business. A subscribes Rs. 3,500 more than B, and B subscribes Rs. 4,500 more than C. Out of a total profit of Rs. 45,300, how much (in Rs.) does A receive?
A and B started a business investing amounts of Rs. 92,500 and Rs. 1,12,500 respectively. If B's share in the profit earned by them is Rs. 9,000, what is the total profit (in Rs.) earned by them together?
Three partners shared the profit in a business in the ratio 8 : 7 : 5. They invested their capitals for 7 months, 8 months and 14 months, respectively. What was the ratio of their capitals?
3 friends A, B and C are working in a company. The salary of A is Rs. 45000 per month. C's monthly salary is 3/5 of B's monthly salary. B's monthly salary is double of A's monthly salary. What is the total salary of A, B and C per month ?
Three partners A, B, and C divide Rs. 2,21,000 amongst themselves in such a way that if Rs. 2,000, Rs. 3,000, and Rs. 4,000 are removed from the sums that A, B, and C received, respectively, then the share of the sums that they will get are in the ratio 11:18:24. How much (in Rs.) did B receive?
A started a trading firm by investing Rs. 10 lakhs. After 4 months, B joined the business by investing Rs. 15 lakhs then 2 months after when B joined, C also joined them by investing Rs. 20 lakhs. 1 year after A started the business they made Rs. 6,00,000 in profit. What is C's share of the profit (in Rs.)?
A and B started a partnership business investing in the ratio of 2 : 5. C joined them after 3 months with an amount equal to 4/5th of B. What was their profit (in Rs.) at the end of the year if A got Rs. 16,800 as his share?
ഒരു സമചതുര മാട്രിക്സ് A ഹെർമിഷ്യൻ ആകണമെങ്കിൽ
Find the simplified value of the expression 0.4×0.4+0.04×0.040.8×0.040.72\frac{0.4\times 0.4+0.04\times 0.04-0.8\times 0.04}{0.72}
A person can complete a journey in 11 hours. He covers the first one-third part of the journey at the rate of 36 km/h and the remaining distance at the rate of 60 km/h. What is the total distance of his journey (in km)?
A sum, when invested at 10% simple interest per annum, amounts to ₹2640 after 2 years. What is the simple interest (in ₹) on the same sum at the same rate of interest in 2 years?
An Uber auto covers a distance of 649 km in 59 hours. What is its speed in km/h?
What is the greatest number that when divides 718, 1085 and 1179 leaves remainders 5, 4 and 6, respectively?
If the distance between A and B is 1409 Km. From A, Vishal goes to B with speed 71 km/h and return to A with the speed 39 km/h. Find the average speed of Vishal.(rounded off to two decimal place)
The average age of 10 members of a family is 34 years. If the youngest member is 7 years old, what was the average age (in years) of the family members just before the birth of the youngest member?
The sum of five numbers is 655. The average of the first two numbers is 78 and the third number is 117. Find the average of the remaining two numbers?
A number when increased by 40 %', gives 3570. The number is:

6×17÷37+(452423+76×27)=6\times\frac17\div\frac37+(\frac{45}{24}-\frac23+\frac76\times\frac27)=

Find the surface area of a sphere whose diameter is equal to 24 cm.
A trader purchases a gadget for ₹2,000 and sells it at a profit of 25%. He then purchases a second gadget for ₹2,400 and sells it at a loss of 10%. What is the overall profit or loss (in ₹) from both transactions?
The sum of 10 numbers is 408. Find their average.
The average of first 134 even numbers is
Lalit and Manoj started a business in partnership investing ₹10,000 and ₹18,000, respectively. After eight months, Nitin joined them by investing ₹24,000. What will be the total share of Nitin and Manoj in the total profit of ₹22,000 earned at the end of 2 years from the starting of the business?
A shopkeeper offers a discount of 25% on the marked price of a mobile phone. If the shopkeeper still makes a profit of 10% after offering the discount, and the cost price of the phone is ₹12,000, What is the marked price of the phone?
Shagun invested ₹30,000 at compound interest of 40% per annum, compounded semiannually. If she received ₹4x after 24 months, then what is the value of 1.5x (in ₹)?
The value of 256+0.01214.41\sqrt{256}+\sqrt{0.0121}-\sqrt{4.41}
A city has a population of 10,000 people and population grows at a rate of 10% per annum. What will be the population in 3 years?
Pipe P can fill 4/9 part of a tank in 28 hours and pipe Q can fill 3/5 part of the same tank in 27 hours. Both P and Q were kept open for 3 hours, then both were closed. Pipe R alone was then opened and it emptied the water in the tank in 8 hours. Pipes P, Q and R together can fill the empty tank in:
If 4 , 31 , 92 , and y are in proportion, then the value of y is:
A retailer buys an electronic item for ₹175. His overhead expenses are ₹15. He sells the electronic item for ₹380 and makes x%' profit. The value of x is:
Find the perimeter of a rectangular garden, whose breadth is two-third of its length and area is 486 m².
What is the largest 5-digit number exactly divisible by 999?
A pipe can fill a tank in 9 hours. Another pipe can empty the filled tank in 36 hours. If both the pipes are opened simultaneously, then the time (in hours) in which the tank will be two-third filled, is
The sum of five numbers is 655. The average of the first two numbers is 75 and the third number is 121. Find the average of the remaining two numbers?
Evaluate: 41 - [21 - {11 - (15 - 5 ÷ 2 × 2)}]
Train A leaves station M at 7:40 AM and reaches station N at 2:40 PM on the same day. Train B leaves station N at 9:40 AM and reaches station M at 2:40 PM on the same day. Find the time when Trains A and B meet.
If the perimeter of a cuboid is 96 m, whose length is 12 m and height is 7 m, what is the volume of the cuboid?
image.png
Ramesh's luggage bag initially weighed 15 kg when he started his tour. By the time of his departure, the weight of his bag had increased to 18 kg. Calculate the percentage increase in the weight of the luggage.
Alka can finish a work in 18 days. If Shailja is 20% more efficient than Alka, then in how many days can both of them finish the work together?
After 58 litres of petrol was poured into an empty storage tank, it was still 10% empty. How much petrol (in litres, rounded off to two decimal place) must be poured into the storage tank in order to fill it?
The marked price of a refrigerator is ₹47,500. During off season, it is sold for ₹41,800. Determine the discount percentage.
Find the LCM of 84, 126 and 210
A യും B യും ഒരുമിച്ച് 40 ദിവസത്തിനുള്ളിൽ ഒരു ജോലി ചെയ്യുന്നു. B യും C യും ഒരുമിച്ച് 25 ദിവസത്തിനുള്ളിൽ ചെയ്യുന്നു. എയും ബിയും ഒരുമിച്ച് ജോലി ചെയ്യാൻ തുടങ്ങി, എ 6 ദിവസത്തിന് ശേഷം ജോലി ഉപേക്ഷിച്ചു, ബി 8 ദിവസത്തിന് ശേഷം ജോലി ഉപേക്ഷിച്ചു. A പോയതിനു ശേഷം, C ജോലിയിൽ ചേരുകയും C 40.5 ദിവസത്തിനുള്ളിൽ ജോലി പൂർത്തിയാക്കുകയും ചെയ്തു, C-യ്ക്ക് മാത്രം എത്ര ദിവസത്തിനുള്ളിൽ ജോലി പൂർത്തിയാക്കാൻ കഴിയും?
ഒരു കമ്പ്യൂട്ടർ ഗെയിമിൽ, ഒരു ബിൽഡറിന് 20 മണിക്കൂറിനുള്ളിൽ ഒരു മതിൽ നിർമ്മിക്കാൻ കഴിയും, ഒരു ഡിസ്ട്രോയറിന് 40 മണിക്കൂറിനുള്ളിൽ അത്തരമൊരു മതിൽ പൂർണ്ണമായും തകർക്കാൻ കഴിയും. തുടക്കത്തിൽ, ബിൽഡറും ഡിസ്ട്രോയറും ഒരു അടിസ്ഥാന തലത്തിൽ ഒരുമിച്ച് പ്രവർത്തിക്കാൻ തയ്യാറായിരുന്നു. എന്നാൽ 30 മണിക്കൂറിന് ശേഷം ഡിസ്ട്രോയർ പിൻവലിച്ചു. മതിൽ പണിയാൻ എടുത്ത മൊത്തം സമയം എത്രയാണ്?

₹20-ക്ക് 1121\frac12 ലിറ്റർ എന്ന നിരക്കിൽ 60 ലിറ്റർ പാലിൽ എത്ര വെള്ളം ചേർത്താൽ മിശ്രിതം ₹ 102310\frac23 എന്ന നിരക്കിൽ ലഭിക്കും?

A trader invests ₹50,000 at an annual compound interest rate of 6%. Find half of compound interest received after 3 years.
A store marks the price of a pair of shoes at ₹1,200. During a sale, they offer a 10% discount, followed by an additional 5% discount on the new price. What is the final price of the shoes after both discounts ?