X and Y are two alloys of Gold and Platinum prepared by mixing the metals in the ratio of 5:2 and 5:7, respectively. If we melt equal quantities of the alloys to form a third alloy Z, then the ratio of the quantity of Gold to the quantity of Platinum in Z will be:
The average of 11 numbers arranged in an order is 41. The average of the first five numbers is 18 and that of the last five numbers is 64. What is the sixth number?
A shopkeeper sold a book at a loss of 14%. If the selling price had been increased by Rs.100, there would have been a gain of 6%. What was the cost price of the book?
A man travels 80km in three hours. He further travels for two more hours. Find the distance travelled in the latter two hours , If his average speed for the entire journey is 30km/hr.
The present age of shanthi and keerthi are in the ratio of 7 : 3. After 5years, Shanthi's age will be 40. How old will keerthi be after 5 years?
Venkat brought a second-hand scooter and spent 10% of the cost on its repairs. He sold the scooter for a profit of Rs.2200. How much did he spend on repairs if he made a profit of 20%.
X and Y can complete a piece of work in 8 days and 12 days, repectively. If they work on alternate days, with X working on the first day , how long will it take the duo to complete the same work?
Two wires A and B are made of same material and have the same length but different cross-sectional areas. If the resistance of wire A is 16 times the resistance of wire B, the ratio of the cross-sectional area of wire A to that of wire B
The age of father six years ago is six times the age of his daughter. Three years hence, the father will be thrice as old as his daughter. What is the present age of the daughter?
A x A എന്ന കാർട്ടീഷ്യൻ ഗുണനഫലത്തിൽ 9 അംഗങ്ങളുണ്ട്. (-1,0), (0,1) എന്നിവ അതിലെ അംഗങ്ങൾ ആയാൽ A എന്ന ഗണം കണ്ടു പിടിക്കുക.
Aruna has a younger sister whose age is 8 years less than that of Aruna. If Aruna's sister's age is 18years. then Aruna's age.
Study the following carefully and answer the question.
For Company A , what is the approximate percentage decrease in production from 2015 to 2016?
The population of a village was 130000. It increased by 10% in the first year and increased by 25% in the second year. Its
population after two years is _______.
During sale, Raghav bought a notebook marked for ₹44 at 25% discount and a pen marked for ₹15 at 80% discount. How
much (in ₹) did he save due to sale?
A person covers certain distance in 2 hours at a speed of 10 km/h and some more distance in 4 hours at a speed of 6 km/h.
Find his average speed for the entire distance covered.
Mansi and Neha together invested ₹40400 in a business. At the end of the year, out of a total profit of ₹5000, Mansi's share
was ₹1900. What was the investment of Neha?
A sum, when invested at 20% simple interest per annum, amounts to ₹2160 after 3 years. What is the simple interest (in ₹)
on the same sum at the same rate in 2 year?
Find the area of polygon ABCDE (in square cm) if AE = 20 cm and AB = 15 cm; quadrilateral BCDE is a square.
Komal invested a sum of ₹5000 at 20% per annum compound interest, componded annually. If she received an amount of
₹7200 after n years, the value of n is:
Manish's average earning per month in the first three months of a year was ₹8784. In April, his earning was 25% more than
the average earning in the first three months. If his average earning per month for the whole year is ₹99085, then what will
be Manish's average earning (in ₹) per month from May to December?
The smallest 1-digit number to be added to the 6-digit number 405437 so that it is completely divisible by 11 is:
Find the circumference (in m) of the largest circle that can be inscribed in a rectangle whose dimensions are given as 21 m
and 115 m. take π=22/7
The average weight of 8 men is decreased by 3 kg when one of them whose weight is 56 kg is replaced by a new man. What
is the weight of the new man?
Anmol completes his journey in 10 hours. He covers half the distance at 46 km/h and the rest at 69 km/h. What is the length
of the journey (in Km)?
The average of eight numbers is 20. The average of five of these numbers is 20. The average of the remaining three numbers
is
A water tank is in the form of a right circular cone with radius 3 m and height 14 m. The tank is filled with water at the rate of
one cubic metre per second. Find the time taken, in minutes, to fill the tank.
At what rate per cent per annum will a certain sum of money multiply itself by 55 times in 2 years, the interest being
compounded annually? [Give your answer correct to 1 decimal place.]
Ishita and Isha invest in a business in the ratio 31 : 23. If total profit is Rs. 2646, then what is difference between the profit (in
Rs.) of Ishita and Isha?
Lalit's average earning per month in the first three months of a year was ₹4080. In April, his earning was 75% more than the
average earning in the first three months. If his average earning per month for the whole year is ₹66405, then what will be
Lalit's average earning (in ₹) per month from May to December?
The average of eight numbers is 20. The average of five of these numbers is 15. The average of the remaining three numbers
is
400 chickooes were bought at ₹1410 per hundred and were sold at a profit of ₹860. Find the selling price (in ₹) per dozen of
chickooes.