I dream about my motherland how she should be! 1. The cleanest country in the world: Today in terms of cleanliness, we are not at the top of the list of cleanest countries in the world. I want India to be number one. This will only happen when everybody becomes responsible, when we stop fellow citizens from throwing… Read more →
Today I thought to write this post because I experience this . When I say ‘I know ‘ ; people feel jealous of mine . When I say ‘I don’t Know ‘ ; people guide me , people care me ; people help me . They guide me as I am new . When I say ‘ I know ‘… Read more →
Real Numbers Class 10 Unit 1 Real Numbers Exercise 1.1, 1.2, 1.3, 1.4 Solutions In mathematics, a real number is a value that represents a quantity along a continuous line. The real numbers include all the rational numbers, such as the integer -5 and the fraction 4/3, and all the irrational numbers such as √2 (1.41421356�, the square root of… Read more →
A and B together can do a piece of work in 15 days. If A’s one day work be 3/2 times the one day’s work of B; find in how many days each alone will do the work. Answer
A boat takes 5 hours to go 300 km downstream. It takes the same time to go 150 km upstream. Calculate (i) the speed of the boat in still water (ii) the speed of the stream. Answer
90% acid solution and 97% acid solution are mixed to obtain 21 litres of 95% acid solution. How many litres of each solution are mixed?Answer
A and B have some pencils. If A gives 10 pencils to B, then B will have twice as many as A. And if B gives 10 pencils to A, then they will have the same number of pencils. How many pencils does each have?Answer
A farmer sold a calf and a cow for Rs 760, thereby making a profit of 25% on the calf and 10% on , the cow. By selling them for Rs 767.50 he would have realised a profit of 10% on the calf and 25% on the cow. Find the cost price of each. Answer
A cyclist rode a distance of 12 km against the wind in 3 hrs. He rode back the same distance with the wind in 1 hour only. Find the speed of the wind and the speed of the cyclist, if there is no wind. Answer
If the breadth of a rectangle is increased by 3 cm and length is reduced by 2 cm its area would increase by 20cm2. But if the breadth is reduced by 2 cm and length is increased by 1 cm the area would be reduced by 24cm2 , Find the length and breadth of the rectangle. Answer
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