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.
A train runs at a speed of 84 kmph to cover a distance of 336 km and then at a speed of 96 kmph to cover a distance of 192
km. Find the average speed of the train for the entire distance.
Study the given table and answer the question that follows.
The table shows the monthly expenditure (in ₹) of five people on education, rent, food, conveyance and electricity
Find the difference between the average amount spent on education and the average amount spent on conveyance.
The price of fuel decreases by 60%, 30% and 20% in three successive months, but increases by 60% in the fourth month.
What is the percentage increase/decrease in the price of fuel in the fourth month as compared to its original price?
A shopkeeper sells an item for ₹940.8 after giving two successive discounts of 84% and 44% on its marked price. Had he not
given any discount, he would have earned a profit of 25%. What is the cost price (in ₹) of the item?
For a positive integer b > 1, if the product of two numbers 6344 and 42b8 is divisible by 12, then find the least value of b.
A vendor claims to sell wheat at a loss of 25%. But he cheats by using weights that weigh 55% less than what is mentioned
on them. What is his profit percentage (rounded off to 2 decimal places)?
A train runs at a speed of 111 kmph to cover a distance of 222 km and then at a speed of 86 kmph to cover a distance of 258
km. Find the average speed of the train for the entire distance.
Rs.12000 invested at 10% Simple Interest and another investment at 20% Simple Interest together give a 14% income on the total investment in one year. Find the total investment.
Four vessels of equal size are filled with mixtures of milk and water. The strength of milk in the four vessels is 80%, 75%, 60% and 50% respectively. If all four mixtures are mixed, what is the ratio of water to milk in the resultant mixture?
If a, b, c and d are 4 whole numbers such that a + b + c = d where a, b, d are all odd numbers, then find c.
Two students appeared for an examination. One of them got 9 marks more than the other. His marks was also equal to 56% of the sum of their marks. What are their marks?