Two pipes A and B can fill a tank in 20 hours and 24 hours respectively. If the two pipes opened at 5 in the morning, then at what time the pipe A should be closed to completely fill the tank exactly at 5 in the evening?
PQR is an isosceles triangle with sides PQ = PR = 45 cm and QR = 72 cm. PN is a median to base QR. What will be the length (in cm) of PN?
Following two line-graphs represent the quantity of wheat and quantity of wheat and rice together sold from stores A, B, C and D.What is the respective ratio of quantity of rice sold from store B to the quantity of rice sold from store C and D together?
Rs. 94000 is divided among A, B and C such that 20% of A's share = 25% of B's share = 15% of C's share. What is the share (in Rs.) of C?
An article is sold at a discount of 35%. If the selling price of the article is Rs. 2275, then what is the marked price (in Rs) of the article?
In a class of 50 students, 40% are girls. The average weight of the boys is 62 kg and that of the girls is 58 kg. What is the average weight (in kg) of the whole class?
ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and angle ADC = 140°. Then angle BAC is equal to∶
A, B and C started a business by investing Rs. 55,000, Rs. 65,000, Rs. 75,000 respectively. A is a working partner and gets 20% of the profit and the remaining is distributed in the proportion of their investments. If the total profit is Rs. 87,750 what is the share of A?
Two pipes A and B can fill a tank in 6 hours and 9 hours respectively. They are opened alternately for 1 hour each starting with pipe A first. In how many hours the tank will be filled?
What is the sum of digits of the least number, which when divided by 15, 18 and 24 leaves the remainder 8 in each case and is also divisible by 13?
A shopkeeper marked his goods in at 25% higher price than their cost price. Finally, he sold the goods at 30% discount on the marked price. His profit/loss percentage is:
A trader marks his goods in such a way that he can earn a profit of 19% after giving 15% discount on its marked price. However, a customer availed 18% discount instead of 15%. What is the new profit percentage of the trader?
A shopkeeper allows 28% discount on the marked price of an article and still makes a profit of 20%. If he gains ₹3,080 on the sale of one article, then what is the selling price (in ₹) of the article?
Three articles are bought at Rs.180 each. One of them is sold at a loss of 10%. If the other two articles are sold so as to gain 25% on the whole transaction, then what is the gain percentage on the two articles?
An article was subject to three successive discounts, whereby a customer had to pay 2,366.8 less than the marked price of 12,500. If the rates of the first two discounts were, respectively, 12% and 6%, then what was the rate percentage of the third discount?
If the difference between the selling prices of an article when sold at 18% discount and at 10.5% discount is Rs. 192, then the marked price of the article is:
By selling 40 dozen bananas for ₹ 1,440, a man gains 20%. In order to gain 30%, for how much should he sell 20 dozen bananas ?
The sales for 5 days are given as: ₹5,000, ₹6,000, ₹8,000, ₹7,000 and ₹9,000. What must the sales be on the 6th day so that the average becomes ₹8,500?
Raghav lent ₹7,500 to Gopal for three years and ₹5,000 to Sachin for four years on simple interest at the same rate of interest, and received ₹3,570 in all from both as interest. The interest paid by Sachin is:
An article is listed at ₹15,000 and the discount offered is 12%. What additional discount must be given to bring the net selling price to ₹12,078?
Anil Kumar sold an article to Rajat for ₹15,000 by losing 25%. Rajat sells it to David at a price that would have given Anil Kumar a profit of 5%. The profit percentage earned by Rajat is:
The sum of five numbers A, B, C, D and E is 37.5. The average of A and B is 6, and the average of D and E is 9. The average of A, B and C is:
In the given figure, the circle touches the sides of the quadrilateral PQRS. If PQ = a and RS = b, express (PS + QR) in terms of a and b?
In an election between two candidates, a candidate secured 60% of the valid votes and is elected by a majority of 180 votes. The total number of valid votes is:
In a circle of radius 5 m, AB and CD are two equal and parallel chords of length 8 m each. What is the distance between the chords?
8 men and 12 women finish a job in 4 days. While 6 men and 14 women in 5 days. In how many days will 20 women finish the job?
The average age of 10 students and their class teacher is 17 years. If the age of the class teacher is excluded, the average age of the 10 students is reduced by 2 years. What is the age of the class teacher?
Ramu had to select a list of numbers between 1 and 1000 (including both), which are divisible by both 2 and 7. How many such numbers are there?
Two trains with a speed of 80 km/h and 120 km/h, respectively, are 500 km apart and face each other. Find the distance between them 10 minutes before crossing?
The ratio of a father's age to his son's age is 3 ∶ 2 The product of the numbers representing their age is 486. The ratio of their ages after 5 years will be:
A and B can complete a work in 36 days and 45 days respectively. They worked together for 2 days and then A left the work. In how many days will B complete the remaining work?
A bus travels at 100 km/h for the first 1/2 hour. Later it travels at 80 km/h. Find the time taken by the bus to travel 290 km.
The average age of 25 girls in a class is 11.2 years and that of the remaining 15 girls is 10 years. Find the average age of all the girls in the class.