Time left =
2
Find the total distance covered by boat in each upstream and downstream in 7 hours if the speed of boat in still water and speed of current is 21 km/h and 3 km/h respectively?
3
Ratio of income of A to that of B is 5:9. If expenditure of A is 3/8th of his income and expenditure of B is 4/9 th of his income and sum of their saving is Rs 1950 then find the difference between their income?
4
A alone can do a work in 12 days while A and B together can do that work in 7.5 days. Find the time taken by C alone to do that work if C takes 3 days more than that of B alone to do that work?
5
In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer
I. x² - 13x + 40 = 0 II. 2y² - y – 15 = 0
6
I. 5x² + 17x + 6 = 0 II. 2y² + 11y + 12 = 0
7
I. 7x² - 19x + 10 = 0 II. 8y² + 2y – 3 = 0
8
I. 3x² –7x + 4 = 0 II. 2y² – 9y + 10 = 0
9
A person travels half of the distance at the speed of x km/h and remaining half of the distance at 4x km/h. Find the value of ‘x’ if the average speed is 36.8 km/h?
10
A, B and C invested in a ratio of 7: 8: 5 in a business. They got an annual profit of Rs. 136800. If A and C withdrew their amount at the end of 3 months and 7 months respectively. Then find the difference between A and C’s share of profit?
11
Retailer sold one article at profit and another at 100% profit. Find his overall profit percentage if the selling price of both the article is same?
12
A mixture has milk and water in the ratio 4: 1. When 50% of the mixture is taken out and replaced by 24 liters of water then the ratio of milk to water in the mixture becomes 1: 1. Find initial quantity of mixture
13
4 years ago, ratio of Shivam’s age to Deepak’s age was 2: 3 and ratio of Shivam’s age 4 years ago to Deepak’s age 5 years hence is 8: 15. Find present age of Shivam.