In a laboratory, the count of bacteria in a certain experiment was increasing at the rate
of 4.4% per hour. Find the count of bacteria at the end of 2 hours if the count was
initially 8,05,00,000.
The LCM of three numbers is 2400. If the numbers are in the ratio of 3 : 4 : 5, find the
greatest number among them.
Kiran can do a certain piece of work in 15 days. Kiran and Garima can together do the
same work in 10 days, and Kiran, Garima and Mehak can do the same work together in 9
days. In how many days can Kiran and Mehak do the same work?
Devvrat sold a commodity at a loss of 3%. If he would have been able to sell it at a profit
of 15%, he would have received ₹1,494 more. What was the cost price (in ₹) of the
commodity?
A principal amount of ₹8,000 is invested at an annual interest rate of 5% compounded
half-yearly. What will be the compound interest earned after 4 years?
[Use (1.025)8 = 1.2184]
Mohan, Rahul, and Geeta enter into a partnership. They invest 35,000, ₹75,000, and 1,05,000, respectively. At the end of the first year, Rahul withdraws 25,000, while at the end of the second year, Geeta withdraws 75,000. In what ratio will the profit be shared at the end of 3 years?
Arun’s salary is increased by 20% in January and his salary is again increased by 35%
in the month of November. What is the overall percentage increase in his salary?
A tap can fill a tank in 8 hours. After half the tank is filled, four more similar taps are
opened. What is the total time taken to fill the tank completely?
The average of 15 students in a class is 43. If each student's marks are doubled, what is the new average?
The monthly incomes of two friends Chetan and Vipul, are in the ratio 5 : 7 respectively
and each of them saves ₹72000 every month. If the ratio of their monthly expenditure is
1 : 3, find the monthly income of Chetan(in ₹).
ഒരു വ്യാപാരി അടയാളപ്പെടുത്തിയ വിലയിൽ 10% കിഴിവ് വാഗ്ദാനം ചെയ്യുകയും ഓരോ 12 ഇനങ്ങൾ വാങ്ങുമ്പോഴും 3 ഇനങ്ങൾ സൗജന്യമായി നൽകുകയും ചെയ്യുന്നു, അതുവഴി 20% ലാഭം നേടുന്നു. അടയാളപ്പെടുത്തിയ വില, വാങ്ങിയ വിലയേക്കാൾ എത്ര ശതമാനം വർദ്ധിച്ചുവെന്ന് കൃത്യമായി രണ്ട് ദശാംശ സ്ഥാനങ്ങളിൽ കണ്ടെത്തുക.
The length of a rectangular garden is 20 m and its breadth is 8 m. Find the length of the diagonal of a square garden having the same area as that of the rectangular garden.
മണിക്കൂറിൽ 43 കിലോമീറ്റർ വേഗതയിൽ സൈക്കിളിൽ സഞ്ചരിക്കുന്ന ഒരാൾ 54 മിനിറ്റിനുള്ളിൽ ഒരു പാലം കടക്കുന്നു. പാലത്തിന്റെ നീളം എത്ര?
അഞ്ച് സംഖ്യകളുടെ ആകെത്തുക 655. ആദ്യത്തെ രണ്ട് സംഖ്യകളുടെ ശരാശരി 78 ഉം മൂന്നാമത്തെ സംഖ്യ 123 ഉം ആണ്. ശേഷിക്കുന്ന രണ്ട് സംഖ്യകളുടെ ശരാശരി എത്ര?
ഒരു വസ്തുവിന്റെ അടയാളപ്പെടുത്തിയ വില ₹5,800 ആണ്. ഒരു ഉപഭോക്താവിന് തുടർച്ചയായി രണ്ട് കിഴിവുകൾ ലഭിക്കും, ആദ്യത്തേത് 12%. ഉപഭോക്താവ് അതിന് ₹4,695.68 നൽകിയാൽ രണ്ടാമത്തെ കിഴിവ് ശതമാനം കണക്കാക്കുക.
How many seconds will a boy take to run one complete round around a square field of side 87 metres, if he runs at a speed of 3 km/h?
The sum of five numbers is 655. The average of the first two numbers is 75 and the third number is 114. Find the average of the remaining two numbers?
Three partners invested in a business in the ratio 1:9:8. They invested their capitals for 11 months, 6 months and 2 months, respectively. What was the ratio of their profits?
At what rate percentage per annum (correct to one place of decimal) will ₹17,280 amount to ₹23,520 in 2 years, if the interest is compounded annually?
The height of a conical vessel is 7 cm. If its capacity is 6.6 litres of milk. Find the diameter of its base.
A shopkeeper has announced 14% rebate on the marked price of an article. If the selling price of the article is ₹688, then the marked price of the article will be:
Anil can do a piece of work in 4 hours. Ashok can do it in 8 hours. With the assistance of Robin, they completed the work in 2 hours. In how many hours can Robin alone do it?
If A can complete a job in 15 days and B can complete the same job in 20 days, then how many days (rounded up to the nearest two decimal places) will it take for both A and B to complete the job together?
A retailer sold a laptop at ₹27,000 by giving two continuous rebates of 20% and 10%. What is the marked price?
If the radius of the base of a right circular cylinder is decreased by 24% and its height isincreas ed by 262%, then what is the percentage increase (closest integer) in its volume?
A number is first increased by 12%, and the increased number is decreased by 8%. Find
the net increase or decrease percentage.
In a race, an athlete covers a distance of 438 m in 146 sec in the first lap. He covers the second lap of the same length in 73 sec. What is the average speed (in m/sec) of the athlete?
What is the greatest four digit number which when divided by 6, 20, 33 and 66, leaves 2, 16, 29 and 62 as remainders, respectively?
A 815 m long train crosses a man walking at a speed of 2.7 km/h in the opposite direction in 18 seconds. What is the speed (in km/h) of the train?
An amount of ₹682 is divided among three persons in the ratio of 18 : 3 : 9. The difference between the largest and the smallest shares (in ₹) in the distribution is:
The ratio of milk and water in a 30 litre mixture is 3 : 2. Find the quantity of water to be added to the mixture in order to make this ratio 1:1.
The sum of five numbers is 655. The average of the first two numbers is 75 and the third
number is 122. Find the average of the remaining two numbers?
Train A leaves station M at 7:35 AM and reaches station N at 2:35 PM on the same day. Train B leaves station N at 9:35 AM and reaches station M at 2:35 PM on the same day. Find the time when Trains A and B meet.