In a circular race of 1500 m, P and Q start from the same point and at the same time, at speeds of 20 km/h and 35 km/h, respectively. After what time will they meet for the first time on the track if they are running in the same direction?
What is the number of gold coins, each having a radius of 0.875 cm and a thickness of 2 mm, that need to be melted to create a cuboid with dimensions 5.5 cm × 5 cm x 3.5 cm? (Use ∏=22/7 )
The average weight of a class of 115 students is 52.4 kg. If the average weight of the 63 boys is 60 kg, then find the average weight (in kg) of the girls in the class.
(Rounded off to one decimal place)
The bar graph below shows the sale of books (in thousands) from five branches of a publishing company during 2008 and 2009.
What is the ratio of the total sale of books from the branches B1, B2 and BS in 2009 to the total sale of books from the branches B2, B3, B4 and B5 in 2008?
The marked price of a chair is ₹1,800 and a discount of 18% is offered on the marked price. What additional discount must be offered to the customer now to bring the net price to ₹1,220? (Correct to two places of decimals.)
The speed of a boat in still water is 13 km/h and the speed of the stream is 4 km/h. How much more time will it take in going upstream than ingoing downstream a distance of 68 km? (Correct to the nearest minute)
Find the simple interest (in ₹) on ₹2000 as a sum borrowed at 9% per year rate of interest for 2 years.
Sharad invested two equal amounts for 6 years and 3 years at the rate of 7% and 9% per annum, respectively. The sum of their simple interest is ₹1,587. The invested amount (in ₹) by Sharad is:
The average score obtained by 64 boys and a certain number of girls in a test is 59.15, while the average score obtained by the boys is 55.25. If the average score of the girls is 68.75, then how many girls appeared for the test?
By selling an article for ₹19.5, a dealer makes a profit of 10%. By how much should he increase his selling price (in ₹,rounded off to two decimal place) so as to make a profit of 50%?
The lengths of the two diagonals of a rhombus are 20 cm and 23 cm. What is the area (in cm?) of the rhombus?
The average of the numbers 253, 245, 325, 120 and 115+2K is 212. Find the average of the numbers 353, 354, 225, 220 and 110+3K.
Two candidates contested in an election. One of them secured 62.5% of the total votes and won by 996 votes. What is the total number of votes cast?(all votes are valid)
The average weight of a family of five members (in kg) whose weights are 40 kg, 49 kg, 56 kg, 68 kg and 35 kg is:
Find the simple interest (in ₹) on ₹3000 as a sum borrowed at 9% per year rate of interest for 3 years.
The height of a right circular cylinder is three times its radius. If the curved surface area of the right circular cylinder is 3696 cm², then the volume of the cylinder is
equal to (taking ∏ = 22/7):
In a park there are rabbits and pigeons in the ratio 4: 9. If legs are counted, the total number of legs is 340. Find the number of rabbits.
Refer to the given table and answer the question that follows.
How many cars were manufactured in October and November?
Ramani sells her car to Sarla at a loss of 15%. If Sarla pays €1,91,250 for it, then what is the cost price of the car for Ramani?
Study the given table and answer the question that follows.The given table shows the number of new employees added to different categories of employees in a company for four years and the number of employees from these categories who left the company every year.
During the period between 2001 and 2004, the total number of Technicians who left the Company is what percentage (rounded off to the nearest integer) of the total number of Technicians who joined the Company?
Atul sold two sacks of rice for ₹19,200 each. On one, he gained 20% and on the other, he lost 20%. Find his gain or loss percentage in the whole transaction.
In a college, 20% of the number of boys are equal to the three-fourth of the number of girls. What is the ratio of boys and girls in that college ?
Riya offers 12% discount on all her goods and offers an additional discount of 6% to those customers who pay in cash. How much will a customer have to pay for a fan marked for ₹2,400 if he pays in cash?
The following bar graph shows the production of cement (in 10,000 tones) by 4 companies X, Y, Z and W during the period 2018 - 2020. Study the bar graph carefully and answer the question. Which company has the maximum average production over the course of 3 years?
20 identical solid hemispheres of radius 3 cm are melted to form a big solid hemisphere. What is the radius (in cm) of the biggest hemisphere formed, if 20% of the solid is wasted during the process?
Find the simple interest (in ₹) on ₹3000 as a sum borrowed at 7% per year rate of interest for 5 years.
Find the simple interest (in ₹) on ₹3000 as a sum borrowed at 7% per year rate of interest for 5 years.
Rice worth ₹43/kg and ₹67/kg are mixed with a third variety in the ratio 2: 1: 5. If the mixture is worth ₹96/kg, the price (in ₹) of the third variety of rice per kg will be:
The area of a regular hexagon is 2048√3 cm². What is the length (in cm) of each side of the hexagon?
Find the simple interest (in 7) on 73500 as a sum borrowed at 7% per year rate of interest for 6 years.
A man sells an article at a certain price and suffers a loss of 20%. If he sells the article at ₹100 more, he gets a profit of 30%. Find the cost price of the article (in ₹).
In a 100-marks test, the average of marks scored by 50 students was found to be 65. Later on, it was discovered that a score of 88 was misread as 68. Find the correct average.
The average monthly income of A and B is 73,590. The average monthly income of B and C is 74,250. The average monthly income of A and C is 76,500. What is the monthly income of C?
The ratio of the present age of A and B is 3: 1. Five years ago, the ratio of their ages was 5: 1. The age of A (in years) after eight years will be:
A sum invested at 5% simple iinterst per annum grows to ₹806 in 6 years If the amount remains the same how much will it grow at a 12% simple interest rate in 5 years?
A thief saw a policeman, and he started running at a speed of 18 m/s. After 12 seconds, the policeman starts running behind the thief at a certain speed. If the policeman covered 864 meters distance to reach the thief, then the speed (in m/s) of the policeman is: