Digit 1 is occurring 136 times on writing all of the page numbers of a book. What will be the number of pages in the book?
Dilip, Ram and Amar started a shop by investing Rs. 27,000, Rs. 81,000 and Rs. 72,000 respectively. At the end of one year the profit was distributed. If Rams share of profit be Rs. 36,000, then the total profit was ?
Dinesh bought two radios for Rs. 1920. He sold one at a profit of 20% and other at a loss of 20/3% . If the selling price of both radios are same, then find the cost price of both radios = ?
Distance between A and B is 72 km. Two men started walking from A and B at the same time towards each other. The person who started from A traveled uniformly with average speed of 4 km/hr. The other man traveled with varying speed as follows: In the first hour his speed 2 km/hr, in the second hour it was 2.5 km/hr, in the third hour it was 3 km/hr, and so on. When / where will they meet each other?
Distance between two stations A and B is 778km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of train during the whole journey.
Distance between two stations A and B is 778km. A train covers the journey from A to B at 84km per hour and returns back to A with a uniform speed of 56km per hour. Find the average speed of train during the whole journey.
Divide 275 trophies in A, B and C in such a way that A: B = 3: 7, B: C = 2: 5, how many trophies will B have?
Divide Rs. 6000 into two parts so that simple interest on the first part for 2 years at 6% p.a. may be equal to the simple interest on the second part for 3 years at 8% p.a.
Each member of a picnic party contributed twice as many rupees as the total number of members and the total collection was 3042. The number of members present in the party was
Each side of a rectangular field diminished by 40%. By how much per cent is the area of the field diminished?