What is the greatest number of six digits, which when divided by each of 16, 24, 72 and 84, leaves the remainder 15?
The cost price of an article is Rs. 1,200. On buying four such articles, the customer gets one for free. If the selling price of each article is Rs. 1,800, then determine the net percentage profit earned by the shop keeper on selling four articles?
Two trains 121 m and 99 m in length, respectively, are running in opposite directions, one at a speed of 40 km/h and the other at a speed of 32 km/h. In what time will they be completely clear of each other from the moment they meet?
The height and curved surface area of a right circular cylinder are 7 cm and 70 π . Its total surface area is:
If the number 476**0 is divisible by both 3 and 11, then in the hundredth and tenth places, the non-zero digits are, respectively:
The price of a bat and a ball are in the ratio 9 : 5. The price of the bat is Rs. 380 more than the price of the ball. Find the price of the ball.
If the number 8764x5 is divisible by 9, then find the least possible value of x where x is a two-digit number.
60 men can complete a work in 40 days. They start work together but after every 10 day, 5 men leave the work. In how many days will the work be completed?
What is the greatest positive integer that divides 554, 714 and 213 leaving the remainder 43, 57 and 67, respectively?
A chord of a circle is equal to its radius of length 9 cm. Find the angle subtended by it in major segment.
There are 3 taps, A, B and C, in a tank. These can fill the tank in 10 h, 20 h and 25 h, respectively. At first, all three taps are opened simultaneously. After 2 h, tap C is closed and tap A and B keep running. After 4 h, tap B is also closed. The remaining tank is filled by tap A alone. Find the percentage of work done by tap A itself.
The highest common factor of 108, 72 and 5a is a. What can be the least common multiple of 108, 72 and a?
The average of 15 results is 21. The average of the first 7 of those is 21 and the average of the last 7 is 20. What is the 8th result?
രവിയുടെയും ശശിയുടെയും വയസ്സുകൾ തമ്മിലുള്ള അംശബന്ധം ഇപ്പോൾ 4 : 5 ആണ്. 5 വർഷം കഴിയുമ്പോൾ അവരുടെ വയസ്സുകൾ തമ്മിലുള്ള അംശബന്ധം 5 : 6 ആകും. എങ്കിൽ രവിയുടെ ഇപ്പോഴത്തെ വയസ്സ് എന്ത്?
ഒരാൾ ഒരു ഉല്പന്നം 840 രൂപയ്ക്ക് വിറ്റു. 20% ലാഭം നേടി. 30% ലാഭം കിട്ടണമെങ്കിൽ അയാൾ അത് എത്ര രൂപയ്ക്ക് വിൽക്കണം?
A and B can complete a work in 10 days and 15 days, respectively. They got a total of Rs. 1,250 for that work. What will be B’s share?
Amit & Sumit start walking from same point in opposite directions at the speed of 6 km/h and 4 km/h, respectively. How far will they be from each other after 4 hours?
The perimeter of a rectangle is equal to the perimeter of a square. If the length and the breadth of the rectangle are 10 cm and 8 cm, respectively, then what will be the area of the square?
Two stations are 120 km apart on a straight line. A train starts from station A at 8 a.m. and moves towards station B at 20 km/h, and another train starts from station B at 9 a.m. and travels towards station A at a speed of 30 km/h. At what time will they meet?
The HCF and LCM of two numbers are 126 and 9, respectively. If one of the numbers is 18, then what is the other number?
A car covered the first 100 km at a speed of 50 km/h. It covered next 140 km at a speed of 70 km/h. What is its average speed?
If a car covers 75.5 km in 3.5 litres of petrol, how much distance (in km) will it cover in 28 litres of petrol?
A man bought two bicycles for ₹3,000 each. If he sells one bicycle at a profit of 10%, then for how much percentage profit should he sell the other bicycle so that he makes a profit of 20% on the whole?
In a showroom the price of a washing machine is ₹65,000. The customer gets cash discount of ₹2,000, and gets a scratch card promising percentage discount of 10% to 15%. Determine the difference between the least and the maximum selling prices of the washing machine.
The ratio of the number of boys to that of girls in a school is 5 ∶ 2. If 87% of the boys and 80% of the girls passed in the annual exams, then find the percentage of students who failed in the annual exams.
A car covers a particular distance in 3 hours with the speed of 54km/h. If the speed is increased by 27km/h, the time taken by the car to cover the same distance will be:
Two trains start from Delhi and Poona towards each other at 7 a.m. with speeds of 85 km/h and 67km/h, respectively. If they cross each other at 3.30 p.m., the distance between the stations is:
The cost of two varieties of tea is ₹300 and ₹375 respectively. If both the varieties of tea are mixed together in the ratio 3 ∶ 2, then what should be the price of mixed variety of tea per kg?
A number, when divided by 15 and 18 every time, leaves 3 as a remainder, the least possible number is:
On a straight road, a bus is 30 km ahead of a car traveling in the same direction. After 3 hours, the car is 60 km ahead of the bus. If the speed of the bus is 42 km/h, then find the speed of the car.